„When one door of happiness closes, another opens, but often we look so long at the closed door that we do not see the one that has been opened for us.”

Do something wonderful, people may imitate it.

Every person who wins in any undertaking must be willing to burn his ships and cut all sources of retreat.

Knowledge has three degrees — opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition.

The meaning I picked, the one that changed my life: Overcome fear, behold wonder.

By smiling, I think I've made more friends than if I was the other way.

Intelligence is not normally distributed.