"I never did a day's work in my life. It was all fun."

"As a cure for worrying, work is better than whisky."

"I do not know the American gentleman, god forgive me for putting two such words together."

"Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving."

"My religion consists of a humble admiration of the illimitable superior spirit who reveals himself in the slight details we are able to perceive with our frail and feeble mind."

"It is the supreme art of the teacher to awaken joy in creative expression and knowledge."