Failure should be our teacher, not our undertaker. Failure is delay, not defeat. It is a temporary detour, not a dead end. Failure is something we can avoid only by saying nothing, doing nothing, and ...

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

Think good, and good follows. Think evil, and evil follows. You are what you think all day long.

Do not judge me by my successes, judge me by how many times I fell down and got back up again.

I am always doing that which I can not do, in order that I may learn how to do it.

Do what you can, with what you have, where you are.

He can who thinks he can, and he can't who thinks he can't. This is an inexorable, indisputable law.

Early success is a terrible teacher. You’re essentially being rewarded for a lack of preparation, so when you find yourself in a situation where you must prepare, you can’t do it. You don’t know how.

We should seek the greatest value of our action.