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Quotes About Rationality

People who lean on logic and philosophy and rational exposition end by starving the best part of the mind.
~ W.B. Yeats
Rationality is the recognition of the fact that nothing can alter the truth and nothing can take precedence over that act of perceiving it.
~ Ayn Rand
It is undesirable to believe a proposition when there is no ground whatever for supposing it true
~ Bertrand Russell
Finding bad reasons for what one believes for other bad reasons - that's philosophy.
~ Aldous Huxley
If this is philosophy it is at any rate a philosophy that is not in its right mind.
~ Georg C. Lichtenberg
I think, therefore I'll think.
~ Ayn Rand, Atlas Shrugged
Definitions are the guardians of rationality, the first line of defense against the chaos of mental disintegration.
~ Ayn Rand
The philosophy of reasoning, to be complete, ought to comprise the theory of bad as well as of good reasoning.
~ John Stuart Mill
Logic is the art of making truth prevail.
~ Jean de la Bruyere
The object of philosophy is the logical clarification of thought.
~ Ludwig Wittgenstein
Reason in my philosophy is only a harmony among irrational impulses.
~ George Santayana
There's more to logic than identifying logical fallacies.
~ Criss Jami, Killosophy
It is vain philosophy that supposes more causes than are exactly adequate to explain the phenomena of things.
~ Percy Bysshe Shelley
Philosophy is an unusually ingenious attempt to think fallaciously.
~ Bertrand Russell
Dove la moralità è troppo forte l'intelletto perisce.
~ Friedrich Nietzsche
When you are very rational, you may not be able to dream or live in a fairy tale.
~ Debasish Mridha
If you're rational you don't get to believe whatever you want to believe.
~ Michael Huemer
Never lose your sense of common sense.
~ Debasish Mridha
Thoughts are nothing but cause and effect.
~ Vaibhav Mukim, Logicops
You can't do that, it makes too much sense.
~ Daven Anderson
Reason is the inextinguishable impulse to philosophize with whose destruction reason itself is destroyed.
~ Karl Jaspers
I might be crazy, but at least I'm not insane.
~ Anthony T. Hncks
The trouble with socialists is that they let their bleeding hearts go to their bloody heads.
~ Tommy Douglas
In daily life, reality gives us material incentives to restrain our irrationality. But what incentive do we have to think rationally about politics?
~ Bryan Caplan