Everything you say should be true, but not everything true should be said.
The interest I have to believe a thing is no proof that such a thing exists.
An admiral should be put to death now and then to encourage the others.
Sensual pleasure passes and vanishes, but the friendship between us, the mutual confidence, the delight of the heart, the enchantment of the soul, these things do not perish and can never be destroyed.
Fear could never make virtue.
To succeed in the world it is not enough to be stupid, you must also be well-mannered.