If a worker wants to do his job well, he must first sharpen his tools.

A fake horse is not good at running a thousand miles, but a fake boat is not good at water. Absolute rivers. A gentleman is born without exception. He is good at fake things.

Stones from other mountains can attack jade.

Learn from each other's strong points to make up for the shortcomings. 3, (1) Everything is ready, all that is needed is East wind.

(2) If a worker wants to do his job well, he must first sharpen his tools.

(3) Using copper as a mirror, you can straighten your clothes; using people as a mirror, you can know gains and losses; using ancient times as a mirror, you can know the ups and downs.

(4) Learn from the barbarians and develop skills to control the barbarians.

(5) Give me a peach and repay me with a plum. (Stones from other mountains can attack jade), 2. The king is the boat; the people are the water. Water can carry a boat, but it can also overturn it.

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