The only real failure in life is not to be true to the best one knows.

Clever men are good, but they are not the best.

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

He who has done his best for his own time has lived for all times.

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

Whether it's the best of times or the worst of times, it's the only time we've got.

In the practice of tolerance, one's enemy is the best teacher.

The best way to navigate through life is to give up all of our controls.

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

Our goal is to make the best devices in the world, not to be the biggest.