In Teaching There Should Be

The Superior Man Is Universally Minded And No Partisan. The Inferior Man Is A Partisan And Not Universal.

Rotten Wood Cannot Be Carved.

When You See A Good Person, Think Of Becoming Like Her/him. When You See Someone Not So Good, Reflect On Your Own Weak Points.

A Ruthless Man Extends His Ruthlessness From Those He Does Not Love To Those He Loves.

Hold Faithfulness And Sincerity As First Principles.