1, the Tao can be said, which is unusual. The name can be named. It's very famous.

The source is the first chapter of Tao Te Ching.

The Tao that explains the universe is cognizable, but it is constantly changing. Names can also be described, but names are constantly changing.

2, the world knows that beauty is beautiful, and evil people have; Everyone knows whether it's good or not, but it's not.

The second chapter of Tao Te Ching.

Explain that everyone in the world knows that beauty is beautiful because of ugliness; Everyone knows that good is good, because there is evil.

3. Whether they are related or not, they are difficult to complement each other, with the same length, high competition and harmony of sound and sound.

Source: Chapter 2 of Tao Te Ching

It shows that existence and non-existence breed each other, the difficulty complements each other, the length is compared, the height depends on each other, and the sound and rhythm correspond to each other to form a tune, which is connected in sequence.

4, the world is ruthless, taking everything as a dog; Saints are ruthless and treat people like pigs.

The fifth chapter of Tao Te Ching.

Explain that heaven and earth are merciless and equal to all things like grass dogs (sacrifices made of grass in ancient times); A saint doesn't care whether he is kind or not. He treated people as grass dogs (sacrifices made of grass in ancient times) and left them to fend for themselves.

5, if you smell too much and you are poor, if you are not in the middle.

The fifth chapter of Tao Te Ching.

Explain that some versions are "multi-word poor". It means: it's no use talking too much. It's better to keep silent.

6. forever and ever. Heaven and earth can live forever because they are not born by themselves, so they can live forever. Is it because saints are selfless that they come first and then come, and live outside? Therefore, it can be private.

Source: Chapter 7 of Tao Te Ching.

Explain that heaven and earth can exist for a long time because they don't run naturally for their own survival, so they can exist for a long time.

7. Good as water. Water is good for all things without dispute, and evil for all, so it is a few words.

Source: Chapter 8 of Tao Te Ching.

Explain that the greatest good should be like water, be good at nourishing everything, blend with everything, and not compete with it; Water only stays in low-lying places that people don't like, so water is closest to the road.

8. It is better to persist than to have it; If you are sharp, you can't keep it for long.

Source: Chapter 9 of Tao Te Ching.

If the explanation is too full, it will overflow, so enough is enough; It's too sharp. It won't last long.

9, happiness from now on, can't keep it; Being rich and arrogant is to blame. When retiring, heaven is also.

Source: Chapter 9 of Tao Te Ching.

Explain that happiness may not be maintained from now on; It is easy to get into trouble because of excessive wealth. If you succeed, if you can retreat quickly, this is the way of nature.