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

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

The worst men often give the best advice.

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

A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.

At his best, man is the noblest of all animals separated from law and justice he is the worst.

Living well is the best revenge.

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

When we do the best that we can, we never know what miracle is wrought in our life, or in the life of another.

If you want to go somewhere, it is best to find someone who has already been there.