"Nature never deceives us; it is always we who deceive ourselves."

"Conscience! Conscience! Divine instinct, immortal and celestial voice, sure guide of a being ignorant and limited, but intelligent and free; infallible judge of good and evil, which makes man like unt…"

"The savage lives within himself; the social man lives always outside himself, and only knows how to live in the opinion of others."

"The greatest minds are capable of the greatest vices as well as of the greatest virtues."

"My enemies have done me more good than my friends."