The teacher, whether a parent, a sage, or the king, accomplished the highest good by helping others do good. There is no greater thing one can achieve. Mencius taught this achievement could be accomplished in five ways: 1. Cause others to grow by nourishing them like rain upon plants; 2. Bring out and encourage their virtues; 3. Help them develop their talents; 4. Answer their questions; 5. Above all, give them an example to emulate.
