Riches do not exhilarate us so much with their possession as they torment us with their loss.
Justice... is a kind of compact not to harm or be harmed.
The knowledge of sin is the beginning of salvation.
He who has peace of mind disturbs neither himself nor another.
Pleasure is the beginning and the end of living happily. Epicurus taught: Pleasure, defined as freedom from pain, is the highest good.
The magnitude of pleasure reaches its limit in the removal of all pain. When such pleasure is present, so long as it is uninterrupted, there is no pain either of body or of mind or of both together.