To know and not to do is not yet to know.
When pure sincerity forms within, it is outwardly realized in other people's hearts.
What is well rooted cannot be pulled up. What is firmly grasped will not slip loose. It will be honoured from generation to generation.
Respond intelligently even to unintelligent treatment.
The heavy is the root of the light. The tranquil is the ruler of the hasty.
No misfortune is worse than underestimating the enemy. Underestimating the enemy, I risk losing my treasure.