Perpetual optimism is a force multiplier.

Every organization should tolerate rebels who tell the emperor he has no clothes

Being in charge sometimes means making people mad. Some days you have to overrule even the best advice, because you think it is not right.

Ladies and gentlemen, these are not assertions. These are facts, corroborated by many sources, some of them sources of the intelligence services of other countries.

Trying to get everyone to like you is a sign of mediocrity.

You need to learn what people have done, but you need to learn where they have failed... Usually when they fail it is in the execution.

Maybe we don't put our young people in situations often enough where they're allowed to fail. When you fail you gain experience, and with enough experience, you don't fail as often.