“Love and desire are the spirit's wings to great deeds. ”

“It is one thing to show a man that he is in an error, and another to put him in possession of truth”

“If I were to name the three most precious resources of life, I should say books, friends, and nature; and the greatest of these, at least the most constant and always at hand, is nature”

“To criticize is to appreciate, to appropriate, to take intellectual possession, to establish in fine a relation with the criticized thing and to make it one's own.”

“The human species, according to the best theory I can form of it, is composed of two distinct races, the men who borrow, and the men who lend”

“There are only two tragedies in life. one is not getting what one wants, and the other is getting it”