Thought can never be compared with action, but when it awakens in us the image of truth.
Morality must guide calculation, and calculation must guide politics.
Men do not change; they unmask themselves.
Only the refined and delicate pleasures that spring from research and education can build up barriers between different ranks.
Love is admiring with the heart. And admiring is loving with the mind.
nothing is so horrifying as the possibility of existing simply because we do not know how to die.