Philosophy & Thought: Reason & Logic Quotes

Discover concise reflections on the power of reason and the structure of logic. These quotes present clear thinking, careful inference, and the discipline that guides sound judgment. From classical philosophers to contemporary voices, explore insights on rational inquiry, argument, and evidence. Let these lines offer perspective for study, debate, and everyday decisions, encouraging clarity, fairness, intellectual humility, curiosity, and precision.

Similar topics:Deep Ethics & Morality Free Will & Fate Truth Wisdom

"A problem well stated is a problem half-solved"

Charles F. Kettering, Inventor

Charles F. Kettering

"Insults are the arguments employed by those who are in the wrong"

Jean-Jacques Rousseau, Philosopher

Jean-Jacques Rousseau

"The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; he confuses it with feeling"

Thomas Sowell, Economist

Thomas Sowell

"All are lunatics, but he who can analyze his delusions is called a philosopher"

Ambrose Bierce, Journalist

Ambrose Bierce

"He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice"

Albert Einstein, Physicist

Albert Einstein

"For every complex problem there is an answer that is clear, simple, and wrong"

H. L. Mencken, Writer

H. L. Mencken

"No problem can withstand the assault of sustained thinking"

Voltaire, Writer

Voltaire

"The fewer the facts, the stronger the opinion"

Arnold H. Glasow, Businessman

Arnold H. Glasow

"The true triumph of reason is that it enables us to get along with those who do not possess it"

Voltaire, Writer

Voltaire

"If man made himself the first object of study, he would see how incapable he is of going further. How can a part know the whole?"

Blaise Pascal, Philosopher

Blaise Pascal

"Experience without theory is blind, but theory without experience is mere intellectual play"

Immanuel Kant, Philosopher

Immanuel Kant

"To generalize is to be an idiot"

William Blake, Poet

William Blake

"He who establishes his argument by noise and command shows that his reason is weak"

Michel de Montaigne, Philosopher

Michel de Montaigne

"O reason, reason, abstract phantom of the waking state, I had already expelled you from my dreams, now I have reached a point where those dreams are about to become fused with apparent realities: now there is only room here for myself"

Louis Aragon, Poet

"Far better an approximate answer to the right question, which is often vague, than the exact answer to the wrong question, which can always be made precise"

John Tukey, Scientist

John Tukey

"Those who can make you believe absurdities can make you commit atrocities"

Voltaire, Writer

Voltaire

"Never ascribe to malice that which is adequately explained by incompetence"

Napoleon Bonaparte, Leader

Napoleon Bonaparte

"Everything is self-evident"

Rene Descartes, Mathematician

Rene Descartes

"It is the mark of an educated mind to be able to entertain a thought without accepting it"

Aristotle, Philosopher

Aristotle

"Why is this thus? What is the reason for this thusness?"

Charles Farrar Browne, Writer

"Probable impossibilities are to be preferred to improbable possibilities"

Aristotle, Philosopher

Aristotle

"An explanation of cause is not a justification by reason"

C. S. Lewis, Author

C. S. Lewis

"Men freely believe that which they desire"

Julius Caesar, Leader

"The art of doing mathematics consists in finding that special case which contains all the germs of generality"

David Hilbert, Mathematician

David Hilbert

"The folly of mistaking a paradox for a discovery, a metaphor for a proof, a torrent of verbiage for a spring of capital truths, and oneself for an oracle, is inborn in us"

Paul Valery, Poet

Paul Valery

"The power to question is the basis of all human progress"

Indira Gandhi, Statesman

Indira Gandhi

"Prejudices are what fools use for reason"

Voltaire, Writer

Voltaire

"You must see first before you can believe"

Raymond Holliwell, Author

Raymond Holliwell

"Mathematics is a game played according to certain simple rules with meaningless marks on paper"

David Hilbert, Mathematician

David Hilbert

"The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane"

Nikola Tesla, Inventor

"Pure mathematics is, in its way, the poetry of logical ideas"

Albert Einstein, Physicist

Albert Einstein

"Every idea is an incitement... Eloquence may set fire to reason"

Oliver Wendell Holmes Sr., Poet

Oliver Wendell Holmes Sr.

"Those who will not reason, are bigots, those who cannot, are fools, and those who dare not, are slaves"

Lord Byron, Poet

Lord Byron

"Reason is a whore, the greatest enemy that faith has"

Martin Luther, Professor

Martin Luther

"It is unnatural for a majority to rule, for a majority can seldom be organized and united for specific action, and a minority can"

Jean-Jacques Rousseau, Philosopher

Jean-Jacques Rousseau

"There are no right answers to wrong questions"

Ursula K. Le Guin, Writer

Ursula K. Le Guin

"Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity"

Alan Turing, Mathematician

Alan Turing

"Do not weep; do not wax indignant. Understand"

Baruch Spinoza, Philosopher

Baruch Spinoza

"It is a capital mistake to theorize before one has data"

Arthur Conan Doyle, Writer

Arthur Conan Doyle

"Observe which side resorts to the most vociferous name-calling and you are likely to have identified the side with the weaker argument and they know it"

Charles R. Anderson, Scientist

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