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.
Anyone can look up anything; only what you know is truly at your disposal.
We are all usufructs now.
Public acknowledgement of error is almost entirely for show. It has no point unless you reexamine the habits of thought that produced the error, which is best done in private.
We are apt to forget, though history at intervals reminds us, how far hypocrisy is to be preferred to sincere, unaffected villainy.