Greatideas often receive violent opposition from mediocre minds.

Discord gives a relish to concord.

Genius is a long impatience.

One cannot be precise and still be pure.

Inspiration comes of working every day.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

The ability to speak eloquently is not to be confused with having something tosay.

Books without the knowledge of life are useless.

Every child is an artist. The problem is how to remain an artist once he grows up.

No doctor is a good doctor who has never been ill himself.

Wordsare, of course, the most powerful drug used by mankind.

The power to do good is also the power to do harm.