Better to start up a thousand wrong roads than to spend your life going nowhere because you know the way.

It can be said of optimism that while sometimes mistaken, it is never sadly mistaken.

Among the things that you, and you alone, are the absolute and final judge of is whether or not you are a success.

Never act until you have clearly answered the question: "What happens if I do nothing?"

At my age, you not only have bittersweet memories, you make bittersweet plans.

There is always a perfectly good excuse, always a reason not to. The hardest freedom to win is the freedom from one's excuses.

Sometimes, as practice for trying to convince myself that God exists, I try to convince my shadow that the sun exists.