A formal manipulator in mathematics often experiences the discomforting feeling
that his pencil surpasses him in intelligence. – Howard Eves
A man has one hundred dollars and you leave him with two dollars. That’s
subtraction. – Mae West
A mathematician is a device for turning coffee into theorems. –
Paul Erdos
A mind all logic is like a knife all blade. – Rabindranath Tagore
A witty statesman said you might prove anything by figures. –
Thomas Carlyle
As far as the laws of mathematics refer to reality, they are not certain; and as
far as they are certain, they do not refer to reality. –
Albert Einstein
A statistician can have his head in the oven and his feet in ice, and on average
he feels fine. – Anonymous
After every storm the sun will smile; for every problem there is a solution, and
the soul’s indefeasible duty is to be of good cheer. – William R. Alger
All exact science is dominated by the idea of approximation. –
Bertrand Russell
All great theorems were discovered after midnight. – Adrian Mathesis
All human actions have one or more of these seven causes: chance, nature,
compulsions, habit, reason, passion and desire. – Aristotle
Although I am not stupid, the mathematical side of my brain is like dumb notes
upon a damaged piano. – Margot Asquith
An expert problem solver must be endowed with two incompatible qualities: a
restless imagination and a patient pertinacity. – Howard Eves
Anger is never without reason, but seldom with a good one. –
Benjamin Franklin
As for everything else, so for a mathematical theory: beauty can be perceived
but not explained. – Arthur Cayley
Defendit numerus: There is safety in numbers.  Anonymous
Descartes commanded the future from his study more than Napoleon from the
throne. – Oliver Holmes
Errors using inadequate data are much less than those using no data at all. –
Charles Babbage
Everything that is beautiful and noble is the product of reason and calculation.
– Charles Baudelaire
Expert: a man who has made all the mistakes which can be made, in a very narrow
field. – Niels Bohr
Familiar things happen, and mankind does not bother about them. It requires a
very unusual mind to undertake the analysis of the obvious. –
Alfred Whitehead
Faith consists in believing when it is beyond the power of reason to believe. –
Anonymous
For every problem, there is one solution which is simple, neat, and wrong. –
Henry Mencken
For the things of this world cannot be made known without a knowledge of
mathematics. – Roger Bacon
From a drop of water a logician could infer the possibility of an Atlantic or a
Niagara without having seen or heard of one or the other. –
Sir Arthur Conan Doyle
God does not care about our mathematical difficulties. He integrates
empirically. – Albert Einstein
God is like a skilful Geometrician. – Sir Thomas Browne
He who cannot describe the problem will never find the solution to that problem.
 Confucius
How quick come the reasons for approving what we like. –
Jane Austen
I admit that mathematical science is a good thing. But excessive devotion to it
is a bad thing. – Aldous Huxley
I advise my students to listen carefully the moment they decide to take no more
mathematics courses. They might be able to hear the sound of closing doors. –
James Caballero
I am ill at these numbers. – William Shakespeare
I am quite sure now that often in matters concerning religion and politics, a
man’s reasoning powers are not above the monkeys. – Mark Twain
“I can’t” isn’t a reason to give up, it’s a reason to try hard. – Anonymous
I had a feeling once about mathematics – that I saw it all… but it was after
dinner and I let it go. – Winston Churchill
I have hardly ever known a mathematician who was capable of reasoning. 
Plato
I have the proof, but there isn’t room to write it in the margin. – Anonymous
I know that two and two make four – and should be glad to prove it too if I
could – though I must say if by any sort of process I could convert two and two
into five it would give me greater pleasure. – Lord Byron
I know what you’re thinking about, but it isn’t so, no how. Contrarywise, if it
was so, it might be, and if it were so, it would be. But as it isn’t, it ain’t.
That’s logic. – Lewis Carroll
I must study politics and war that my sons may have the liberty to study
mathematics and philosophy. – John Adams
I never thought that others would take my theories so much more seriously than I
did. – Albert Einstein
I prefer the company of peasants because they have not been educated
sufficiently to reason incorrectly. – Michel de Montaigne
I tell them that if they will occupy themselves with the study of mathematics
they will find it the best remedy against the lusts of the flesh. –
Thomas Mann
I think I think, therefore I think I am. – Ambrose Bierce
I think of lotteries as a tax on the mathematically challenged. –
Roger Jones
If a man’s wit be wandering, let him study the mathematics. –
Francis Bacon
If I feel unhappy, I do mathematics to become happy. If I am happy, I do
mathematics to keep happy. – Alfred Renyi
If it’s green, it’s biology. If it stinks, it’s chemistry. If it has numbers,
it’s math. If it doesn’t work, it’s technology. – Anonymous
If you ask mathematicians what they do, you always get the same answer. They
think. – M. Egrafov
Impossible only means that you haven’t found the solution yet. –
(www.Possibells.com  where
'All Things Are Possibell')
In my experience most mathematicians are intellectually lazy. –
Francis Crick
If the world were a logical place, men would ride sidesaddle. –
Rita Mae Brown
In mathematics you don’t understand things. You just get used to them. –
René Descartes
Insanity is often the logic of an accurate mind overtaxed. –
Oliver W. Holmes
It has been said that figures rule the world. Maybe. But I am sure that figures
tell us whether it is being ruled well or badly. – Johann Wolfgang von Goethe
It is a capital mistake to theorise before one has data. –
Sir Arthur Conan Doyle
It is mathematical fact that the casting of this pebble from my hand alters the
center of gravity of the universe. – Thomas Carlyle
It is not certain that everything is uncertain. – Blaise Pascal
It is not good enough to have a good mind. The main thing is to use it well. –
René Descartes
It is with books as with men: a very small number play a great part, the rest
are lost in the multitude. – Voltaire
It would be better for the true physics if there were no mathematicians on
earth. – Daniel Bernoulli
Let us grant that the pursuit of mathematics is a divine madness of the human
spirit. – Alfred Whitehead
Like dreams, statistics are a form of wish fulfillment. –
Jean Baudrillard
Like the crest of a peacock, so is mathematics at the head of all knowledge. –
Indian Proverb
Logic is a poor guide compared with custom. – Winston Churchill
Logic is a large drawer, containing some useful instruments, and many more that
are superfluous. A wise man will look into it for two purposes: to avail himself
of those instruments that are really useful; and to admire the ingenuity with
which those that are not so are assorted and arranged. –
Charles Colton
Logic is like the sword – those who appeal to it shall perish by it. –
Edward
Gibbon
Logic is neither science nor an art, but a dodge. – Benjamin Jowett
Logic is one thing and common sense another. – Elbert Hubbard
Logic is the anatomy of thought. – Albert Einstein
Logic is the art of going wrong with confidence. – Joseph Krutch
Logic is the hygiene the mathematician practices to keep his ideas healthy and
strong. – Hermann Weyl
Logic, like whiskey, loses its beneficial effect when taken in too large
quantities. – Lord Dunsany
Logic takes care of itself; all we have to do is to look and see how it does it.
– Ludwig Wittgenstein
Logic is the technique by which we add conviction to truth. –
Jean de la Bruyere
Logic: the art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding. –
Ambrose Bierce
Logic works, metaphysics contemplates. – Joseph Joubert
Man discovers truth by reason only, not by faith. – Tolstoy
Many are destined to reason wrongly; others, not to reason at all, and others to persecute those who reason.  Voltaire
Math is like love – a simple idea but it can get complicated. –
R. Drabek
Mathematical genius and artistic genius touch one another. –
Gosta
MittagLeffler
Mathematical rigor is like clothing: in its style it ought to suit the occasion, and it diminishes comfort and restrains freedom of movement if it is neither too loose or too tight. – G.F. Simmons
Mathematicians are like Frenchmen: whatever you say to them they translate into their own language and forthwith it is something entirely different. –
Johann Wolfgang von Goethe
Mathematics consists of proving the most obvious thing in the least obvious way.
– George Polya
Mathematics has beauties of its own. – J.W.A. Young
Mathematics knows no races or geographic boundaries. – David Hilbert
Mathematics is a game played according to certain simple rules with meaningless
marks on paper. – David Hilbert
Mathematics is like checkers in being suitable for the young, not too difficult,
amusing, and without peril to the state. – Plato
Mathematics is distinguished from all other sciences except only ethics, in
standing in no need of ethics. – Charles Peirce
Mathematics is indeed dangerous in that it absorbs students to such a degree
that it dulls their senses to everything else. – Prinz zu HohlenloheIngelfingen
Kraft
Mathematics is not a careful march down a wellcleared highway, but a journey
into a strange wilderness where the explorers often get lost. –
W.S. Anglin
Mathematics is the cheapest science. All one needs for mathematics is a pencil
and a paper. – George Polya
Mathematics is the science which uses easy words for hard ideas. –
James Roy
Newman
Mathematics may be compared to a mill of exquisite workmanship, which grinds
your stuff to any degree of fineness. – Thomas Huxley
Mathematics may be defined as the subject in which we never know what we are
talking about, nor whether what we are saying is true. –
René Descartes
Mathematics would certainly have not come into existence if one had known from
the beginning that there was in nature no exactly straight line, no actual
circle, no absolute magnitude. – Friedrich Nietzsche
Measure what is measurable, and make measurable what is not so. 
Galileo Galilei
Men are apt to mistake the strength of their feeling for the strength of their
argument. The heated mind resents the chill touch and relentless scrutiny of
logic. – William Gladstone
Most of our socalled reasoning consists in finding arguments for going on
believing as we already do. – James Harvey Robinson
No, no, you’re not thinking; you’re just being logical. –
Niels Bohr
Nothing has afforded me so convincing a proof of the unity of the Deity as these
purely mental conceptions of numerical and mathematical science. –
Mary
Somerville
Numbers have neither substance, nor meaning, nor qualities. They are nothing but
marks. – Hermann Weyl
Not everything that can be counted counts, and not everything that counts can be
counted. – Albert Einstein
Number theorists are like lotuseaters – having once tasted of this food they
can never give it up. – Leopold Kronecker
‘Obvious’ is the most dangerous word in mathematics. – Eric T. Bell
Often statistics are used as a drunken man uses lamp posts… for support rather
than illumination. – Andrew Lang
Old mathematicians never die, they just lose their functions. – Joekster
Old statisticians never die, they are just broken down by age and sex. –
Anonymous
On earth there is nothing great but man; in man there is nothing great but mind.
– Sir William Hamilton
Once people begin to reason, all is lost. – Voltaire
One of the big misapprehensions about mathematics that we perpetrate in our
classrooms is that the teacher always seems to know the answer to any problem
that is discussed. – Leon Henkin
One of the endearing things about mathematicians is the extent to which they
will go to avoid doing any real work. – Matthew Pordage
Order is Heaven’s first law. – Alexander Pope
Perhaps the most surprising thing about mathematics is that it is so surprising.
– E.C. Titchmarsh
Perfect numbers, like perfect men, are very rare. – René Descartes
Physicists know what’s important but they don’t know what is true.
Mathematicians know what’s true but they don’t know what is important. –
Anonymous
Proof is an idol before whom the pure mathematician tortures himself. –
Sir
Arthur Eddington
Pure logic is the ruin of the spirit. – Antoine de SaintExupéry
Pure mathematics, may it never be of any use to anyone. –
Henry Smith
Reason can wrestle and overthrow terror. – Euripides
Science is built up with facts, as a house is with stones. But a collection of
facts is not more a science than a heap of stones is a house. –
Jules Poincaré
Seek simplicity and distrust it. – Alfred Whitehead
Since the mathematicians have invaded the theory of relativity, I do not
understand it myself any more. – Albert Einstein
Six is a number perfect in itself, and not because God created the world in six
days; rather the contrary is true. God created the world in six days because
this number is perfect, and it would remain perfect, even if the work of the six
days did not exist. – St. Augustine
Small minds are concerned with the extraordinary, great minds with the ordinary.
– Blaise Pascal
Stand firm in your refusal to remain conscious during algebra. In real life
there is no such thing as algebra. – Fran Lebowitz
Statistician: A man who believes figures don’t lie, but admits that under
analysis some of them won’t stand up either. – Evan Esar
Statistics are like bikinis. What they reveal is suggestive, but what they
conceal is vital. – Aaron Levenstein
Statistics are no substitute for judgement. – Henry Clay
Statistics have shown that mortality increases perceptibly in the military
during wartime. – Alphonse Allais
Statistics: the mathematical theory of ignorance. – Morris Kline
Statistics: the only science that enables different experts using the same
figures to draw different conclusions. – Evan Esar
That logic has advanced in this sure course, even from the earliest times, is
apparent from the fact that, since Aristotle, it has been unable to advance a
step, and thus to all appearance has reached its completion. –
Immanuel Kant
The advantage is that mathematics is a field in which one’s blunders tend to
show very clearly and can be corrected or erased with a stroke of the pencil. –
Norbert Wiener
The age of chivalry is gone. That of sophisters, economists and calculators has
succeeded. – Edmund Burke
The best defense against logic is ignorance. – Blaise Pascal
The circumstances of human society are too complicated to be submitted to the
rigor of mathematical calculation. – Marquis de Custine
The concept of number is the obvious distinction between the beast and man. –
Joseph de Maistre
The control of large numbers is possible, and like unto that of small numbers,
if we subdivide them. – Sun Tze
The fact is there are few more popular subjects than mathematics. Most people
have some appreciation of mathematics, just as most people can enjoy a pleasant
tune. – Godfrey Hardy
The fact that logic cannot satisfy us awakens an almost insatiable hunger for
the irrational. – A.N. Wilson
The formulation of a problem is often more essential than its solution, which
may be merely a matter of mathematical or experimental skill. –
Albert Einstein
The laws of probability – so true in general, so fallacious in particular. –
Edward Gibbon
The mathematical sciences particularly exhibit order, symmetry, and limitation;
and these are the greatest forms of the beautiful. – Aristotle
The mathematician is entirely free, within the limits of the imagination, to
construct what worlds he pleases. – J.W.N. Sullivan
The mathematician may be compared to a designer of garments, who is utterly
oblivious of all the creatures who his garments may fit. 
Dantzig
The mathematician’s patterns, like the painter’s or the poet’s, must be
beautiful – there is no permanent place in this world for ugly mathematics. –
Godfrey Hardy
The mind has its own logic but does not often let others in on it. –
Bernard Devoto
The more one analyzes people, the more all reasons for analysis disappear.
Sooner or later one comes to that dreadful universal thing called human nature.
– Oscar Wilde
The most painful thing about mathematics is how far away you are from being able
to use it after you have learned it. – James Newman
The real danger is not that computers will begin to think like men, but that men
will begin to think like computers. – Sydney Harris
The solution of every problem is another problem. – Johann Wolfgang von Goethe
The supreme function of reason is to show man that some things are beyond
reason. – Blaise Pascal
The trouble with facts is that there are so many of them. –
Samuel Crothers
The true triumph of reason is that it enables us to get along with those who do
not possess it.  Voltaire
The whole is more than the sum of its parts. – Aristotle
The will of man is by his reason swayed. – Izaak Walton
The words ‘figure’ and ‘fictitious’ both derive from the same Latin root, ‘fingere.’
Beware! – M.J. Moroney
There are no deep theorems – only theorems that we have not understood very
well. – Nicholas Goodman
There are three kinds of lies: lies, damned lies, and statistics. –
Benjamin
Disraeli
There are three kinds of mathematicians: those who can count and those who
can’t. – Joekster
There’s no problem so big or complicated that it can’t be run away from. 
Anonymous
Though this be madness, yet there is method in’t. – William Shakespeare
Time heals what reason cannot.  Seneca
To the wise, life is a problem; to the fool, a solution. –
Marcus Aurelius
Today, it is not only that our kings do not know mathematics, but our
philosophers do not know mathematics and – to go further – our mathematicians do
not know mathematics. – J. Robert Oppenheimer
Viewed from the summit of reason, all life looks like a malignant disease and
the world like a madhouse. – Johann Wolfgang von Goethe
We all have enough strength to follow our reason. – François de la Rochefoucauld
We arrive at the truth, not by reason only, but also by the heart. –
Blaise
Pascal
We used to think that if we knew one, we knew two, because one and one are two.
We are finding that we must learn a great deal more about ‘and.’ –
Sir Arthur Eddington
Whatever you can, count. – Sir Francis Bacon
When angry, count four; when very angry, swear. – Mark Twain
When I am violently beset with temptations, or cannot rid myself of evil
thoughts, I resolve to do some arithmetic, or geometry… which necessarily
engages all my thoughts, and unavoidably keeps them from wandering. –
Jonathon
Edwards
When intuition and logic agree, you are always right. –
Blaise Pascal
Where so many hours have been spent in convincing myself that I am right, is
there not some reason to fear that I may be wrong? – Jules Henri Poincaré
You always admire what you really do not understand. – Blaise Pascal
You can only find truth with logic if you have found truth without it. –
G.K.
Chesterton
You cannot reason with a hungry belly; it has no ears. –
Greek Proverb
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