To be sheltered from the winds of doctrine is to be kept from contact with reality. The man who is protected against every draught of opinion is kept from the real world; but then, what is the real world?

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd; indeed in view of the silliness of the majority of mankind, a widespread belief is more likely to be foolish than sensible.

The remarkable thing about Shakespeare is that he is really very good—in spite of all the people who say he is very good.

The best business decision is often the one that's hardest to make—the decision to do nothing when everyone else is doing something.