"The existence of evil is a proof that God is not omnipotent, or not benevolent, or both."

"To marry is to halve one's rights and double one's duties."

"The animal enjoys the present without the burden of memory or anxiety about the future; man, on the other hand, is tormented by reflection."

"The more a man is educated, the more he is alone."

"The more original a man is, the more he will be alone."