1. If you want to converge it, you must first expand it; To weaken it, we must first strengthen it; If you want to abolish it, you must praise it first; If you want to catch it, you must give it first. Lao Tzu Chapter 36

2. If you know that you are satisfied, you will not be in bring disgrace to oneself; Knowing enough is enough, there will be no danger; You can live a long life. Lao tze Chapter 44

Misfortunes depend on each other and can be transformed into each other. "Lao Zi" Chapter 58

4. Nobleness is based on meanness, while nobility is based on meanness. Lao Tzu Chapter 39.

PS； It is said that Tao Te Ching and Lao Zi are one book. . . Laozi is another name for Tao Te Ching.