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Reason & Logic (page 7)
Philosophy & Thought: Reason & Logic Quotes
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"In all affairs, it's a healthy thing, now and then, to hang a question mark on the things you have long taken for granted"
Bertrand Russell, Philosopher
"Every philosophical problem, when it is subjected to the necessary analysis and justification, is found either to be not really philosophical at all, or else to be, in the sense in which we are using the word, logical"
Bertrand Russell, Philosopher
"What can you do against the lunatic who is more intelligent than yourself, who gives your arguments a fair hearing and then simply persists in his lunacy?"
George Orwell, Author
"The Catholic and the Communist are alike in assuming that an opponent cannot be both honest and intelligent"
George Orwell, Author
"Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them"
George Orwell, Author
"It hinders the creative work of the mind if the intellect examines too closely the ideas as they pour in"
Friedrich Schiller, Dramatist
"A noble heart will always capitulate to reason"
Friedrich Schiller, Dramatist
"All national institutions of churches, whether Jewish, Christian or Turkish, appear to me no other than human inventions, set up to terrify and enslave mankind, and monopolize power and profit"
Thomas Paine, Writer
"In all intellectual debates, both sides tend to be correct in what they affirm, and wrong in what they deny"
John Stuart Mill, Philosopher
"Common sense is the measure of the possible; it is composed of experience and prevision; it is calculation applied to life"
Henri Frederic Amiel, Philosopher
"Although nature commences with reason and ends in experience, it is necessary for us to do the opposite, that is, to commence with experience and from this to proceed to investigate the reason"
Leonardo da Vinci, Artist
"Experience seems to most of us to lead to conclusions, but empiricism has sworn never to draw them"
George Santayana, Philosopher
"It is beyond a doubt that all our knowledge that begins with experience"
Immanuel Kant, Philosopher
"One man's "magic" is another man's engineering. "Supernatural" is a null word"
Robert A. Heinlein, Writer
"Something cannot emerge from nothing"
Frank Herbert, Writer
"Many mathematicians derive part of their self-esteem by feeling themselves the proud heirs of a long tradition of rational thinking; I am afraid they idealize their cultural ancestors"
Edsger Dijkstra, Scientist
"About the use of language: it is impossible to sharpen a pencil with a blunt axe. It is equally vain to try to do it with ten blunt axes instead"
Edsger Dijkstra, Scientist
"Investigation may be likened to the long months of pregnancy, and solving a problem to the day of birth. To investigate a problem is, indeed, to solve it"
Mao Tse-Tung, Leader
"Never express yourself more clearly than you are able to think"
Niels Bohr, Physicist
"When I am working on a problem, I never think about beauty, but when I have finished, if the solution is not beautiful, I know it is wrong"
R. Buckminster Fuller, Inventor
"It is possible to interpret without observing, but not to observe without interpreting"
Mason Cooley, Writer
"As long as the reason of man continues fallible, and he is at liberty to exercise it, different opinions will be formed"
James Madison, President
"Talent, lying in the understanding, is often inherited; genius, being the action of reason or imagination, rarely or never"
Samuel Taylor Coleridge, Poet
"In mathematics we have long since drawn the rein, and given over a hopeless race"
Charles Babbage, Mathematician
"Poor David Hume is dying fast, but with more real cheerfulness and good humor and with more real resignation to the necessary course of things, than any whining Christian ever dyed with pretended resignation to the will of God"
Adam Smith, Economist
"All which is beautiful and noble is the result of reason and calculation"
Charles Baudelaire, Poet
"Certainly nothing is unnatural that is not physically impossible"
Richard Brinsley Sheridan, Playwright
"I do not pretend to know where many ignorant men are sure - that is all that agnosticism means"
Clarence Darrow, Lawyer
"Man's unique reward, however, is that while animals survive by adjusting themselves to their background, man survives by adjusting his background to himself"
Ayn Rand, Writer
"The guiding motto in the life of every natural philosopher should be: seek simplicity and distrust it"
Alfred North Whitehead, Mathematician
"In formal logic, a contradiction is the signal of defeat, but in the evolution of real knowledge it marks the first step in progress toward a victory"
Alfred North Whitehead, Mathematician
"Evolution has long been the target of illogical arguments that use presumption"
Marilyn vos Savant, Author
"Be able to defend your arguments in a rational way. Otherwise, all you have is an opinion"
Marilyn vos Savant, Author
"Be able to recognize when you're reading or hearing material biased to your own side"
Marilyn vos Savant, Author
""Obvious" is the most dangerous word in mathematics"
E. T. Bell, Mathematician
"Euclid taught me that without assumptions there is no proof. Therefore, in any argument, examine the assumptions"
E. T. Bell, Mathematician
"The further a mathematical theory is developed, the more harmoniously and uniformly does its construction proceed, and unsuspected relations are disclosed between hitherto separated branches of the science"
David Hilbert, Mathematician
"Mathematical science is in my opinion an indivisible whole, an organism whose vitality is conditioned upon the connection of its parts"
David Hilbert, Mathematician
"If one were to bring ten of the wisest men in the world together and ask them what was the most stupid thing in existence, they would not be able to discover anything so stupid as astrology"
David Hilbert, Mathematician
"He who seeks for methods without having a definite problem in mind, seeks in the most part in vain"
David Hilbert, Mathematician
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