The score will take care of itself when you take care of the effort that precedes the score.

The time to prepare isn't after you have been given the opportunity. It's long before that opportunity arises. Once the opportunity arrives, it's too late to prepare.

Make today your master piece.

Adversity is the state in which man most easily becomes acquainted with himself, being especially free of admirers then.

Every person under your supervision is different. They're all different. They're identical in most ways, but not in all ways. You have to study and analyze every individual under your supervision and try to work with them in a way that will be most productive.

In spite of all that doctors know, and their studies never end, the best cure of all when spirits fall is a kind note from a friend.

Climb the mountain so you can see the world, not so the world can see you. Focus all your effort on what is in your power to control.