Rotten Wood Cannot Be Carved.

Be Strict With Yourself But Least Reproachful Of Others And Complaint Is Kept Afar.

To Know Everything Is To Know Nothing, But To Know Nothing Is To Know Everything.

To Take What You Know For What You Know, And What You Do Not Know For What You Do Not Know, That Is Knowledge Indeed.

To Study And Not Think Is A Waste. To Think And Not Study Is Dangerous.

Wisdom Is Rooted In Watching With Affection The Way People Grow.