Utter dissociation of thought and action is normal; for its opposite we reserve special terms, like saint, or fanatic, or fool.
Operations of thought are like cavalry charges in a battle — they are strictly limited in number, require fresh horses, and must only be made at decisive moments.
Occam’s Razor accounts not for the world’s simplicity, but for our own.
We have become too cool for deontology, yet remain too stupid for consequentialism.
Reasoning to broad, correct conclusions is like beating the market: it happens, but not to you.
The cure for being in thrall to one bad idea, the reasonable moderate constantly assures us, is to be in thrall to several.
Ideas spread when the people who hold them move, and perish when the people who hold them die.
To read minds, don’t tell people their thoughts, supply them with better ones.
We play with words when we run out of thoughts.
All criticism is destructive, differing only in tact and degree.
Principle of Philosophic Parsimony: What would cause a lot of rethinking if it were true must be false.