We have to do with the past only as we can make it useful to the present and the future.

Frederick Douglas

Quality is not an act, but a habit.

Aristotle

Art is communication of feelings.

Bruce Lee

True humility does not know that it is humble. If it did, it would be proud from the contemplation of so fine a virtue.

Martin Luther King

If a book about failures doesn't sell, is it a success?

Jerry Seinfeld

Time is the soul of this world.

Pythagoras