Doctrine of Happiness or the Good:--Pain no evil; discipline of endurance--Apathy.

Theory of Virtue:--Subordination of self to the larger interests; their view of active Beneficence; the Stoical paradoxes; the idea of Duty; consciousness of Self-improvement.
EPICURUS.

Life and writings.

His successors.

Virtue and vice referred by him to Pleasures and Pains calculated by Reason.