It is more important to stop going in the wrong direction, than to know which direction is right.

My father started a business in 1969. It was in the plastics industry and, yes, the “The Graduate” was right:

Mr. McGuire: I want to say one word to you. Just one word. Benjamin: Yes, sir. Mr. McGuire: Are you listening? Benjamin: Yes, I am. Mr. McGuire: Plastics. Benjamin: Exactly how do you mean? […]