The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

Since we live in this world, we have to do our best for this world.

A problem is a chance for you to do your best.

To love and win is the best thing. To love and lose, the next best.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

The best way to keep one's word is not to give it.

Expect the best. Prepare for the worst. Capitalize on what comes.

The best way to cheer yourself up is to try to cheer somebody else up.

The best way to destroy an enemy is to make him a friend.

Knowing your own darkness is the best method for dealing with the darknesses of other people.