346 Quotes About Rationality


  • Author Bertrand Russell
  • Quote

    The methods of increasing the degree of truth in our beliefs are well known; they consist in hearing all sides, trying to ascertain all the relevant facts, controlling our own bias by discussion with people who have the opposite bias, and cultivating a readiness to discard any hypothesis which has proved inadequate.

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  • Author Alanna Mitchell
  • Quote

    For the first time, I understood the ancients' need to find explanations for why things happen. It's a quintessential human imperative. Random is not emotionally satisfying. Therefore, lightning was the bolt from an angry god. Crop failure was punishment for failing to honor the gods with a fatted calf. The plague happened because you took the Lord's name in vain or coveted your neighbor's wife. Going to church regularly and praying could forestall illness. And on and on.

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  • Author Bertrand Russell
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    The difficulty is that, so long as unreason prevails, a solution of our troubles can only be reached by chance; for while reason, being impersonal, makes universal co-operation possible, unreason, since it represents private passions, makes strife inevitable. It is for this reason that rationality, in the sense of an appeal to a universal and impersonal standard of truth, is of supreme importance to the well-being of the human species.

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  • Author Stephen Toulmin
  • Quote

    A man demonstrates his rationality, not by a commitment to fixed ideas, stereotyped procedures, or immutable concepts, but by the manner in which, and the occasions on which, he changes those ideas, procedures, and concepts.

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