"A man's manners are a mirror in which he shows his portrait."

"To see a thing as it is, and not as it should be, is the beginning of wisdom."

"Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world."

"The greatest respect an author can have for his readers is to give them the best he has."

"Life belongs to the living, and he who lives must be prepared for changes."