"The philosopher's school, ye men, is a surgery: you ought not to go out of it with pleasure, but with pain. For you are not in sound health when you enter."

"Any person capable of angering you becomes your master."

"It is our attitude toward events, not events themselves, which determines how we will act."

"If you want to be a writer, write."

"Every difficulty in life is a chance for us to turn inward and to discover the resources we possess to deal with that difficulty. The resources are not without, but within."