"Total absence of humor renders life impossible."

"What a wonderful life I've had! I only wish I'd realized it sooner."

"There are days when solitude is a heady wine that intoxicates you with freedom, others when it is a bitter tonic, and still others when it is a poison that makes you beat your head against the wall."

"Be happy. It's one way of being wise."

"The opposite for courage is not cowardice, it is conformity. Even a dead fish can go with the flow."

"Your lost friends are not dead, but gone before, advanced a stage or two upon that road which you must travel in the steps they trod."

"I am a soul. I know well that what I shall render up to the grave is not myself. That which is myself will go elsewhere. Earth, thou art not my abyss!"

"The historian must have some conception of how men who are not historians behave. Otherwise he will move in a world of the dead. He can only gain that conception through personal experience, and he can only use his personal experiences when he is a genius."