Green, taken from blue, and green from blue, ice, from water, and cold from water. ”

If you don’t follow the rules, you can’t make a circle.

Stones from other mountains can attack jade.

Using copper as a mirror, you can straighten your clothes; If you use it as a mirror, you can know the ups and downs; if you use people as a mirror, you can know the gains and losses.

If you persevere, the rotten wood will not break; if you persevere, the metal and stone can be carved.

One porridge and one meal. It's not easy to think about it; it's half a thread, half a thread, and it's hard to keep thinking about it. ——

Knowing is knowing, not knowing is not knowing.