"Sleep is the most innocent creature and the most, therefore, defenseless. When it is done, when the night is past, it is gone like a dream."

"All knowledge, the totality of all questions and all answers, is contained in the dog."

"The greatest test of courage on earth is to bear defeat without losing heart."

"The greatest cunning of the devil is to persuade you that he does not exist."

"I have hardly anything in common with myself and should stand very quietly in a corner, content that I can breathe."