Imagination, without a problem to work at, is dull. It does almost nothing but graft characteristics of one thing onto another; centaurs, gorgons, mermaids, and unicorns are its typical products.
Grievances are often not merely nursed but cherished, and a great many people, deprived of theirs, would be nothing at all.
Enforced unanimity about important matters provokes violent disagreements over trivia.
The first rule of lying is never deviate from the facts.
Science is like the best athlete in gym class — nobody really likes him, but everybody wants him on his team.
People are divided less by what they believe than by how intensely they believe it.
We are subject, when we change our mind, to exactly the same errors as when we make it up in the first place.
Everyone believes in natural ability, except the naturally able.
Just about every motive for human action sounds better than making money, and turns out worse.
A salesman, unlike a psychology professor, must understand psychology.