1, silently understand, never tire of learning, never tire of teaching, why for me?

2, angry and forget food, happy and forget worry, I don't know that old age is coming to the clouds.

Laozi's famous saying

1. Tao can be Tao, but it is extraordinary. The name can be named. It's very famous. The beginning of the nameless world; The famous mother of everything.

The whole world knows that beauty is beauty, and evil has been done. As we all know, goodness is good, but it is not good.

3. Whether related or not, the difficulty is complementary, the length is in phase, the height is in phase, and the sound is harmonious. Hengye