1. Turn other people's experience into his own, and his skill will be great. Mao Zedong

2. Take copper as a mirror, you can dress formally, people as a mirror, you can know the gains and losses, and ancient times as a mirror, you can know the rise and fall. -Emperor Taizong

Never forget the past and learn the future. -Zhao Ceyi, the Warring States Policy, remembers past experiences and lessons as a reference for future work.

4. Lessons from the past-"Xunzi Xiangcheng": "The previous car has been built, when is unknown!" Xiang said to "Said Yuanshan": "The front car is covered, and the rear car is alarmed." (Jian: mirror, for class. The lesson of overturning in front. Lessons from the past. )

5. Qin people can't help feeling sorry for themselves, and later people mourn for them; Later generations grieved, failed to learn from it, and let future generations mourn for future generations. -Du Mu's "Epang Palace Fu" (The sadness here is explained as lamentation, not sorrow. Qin people have no leisure to lament their own mistakes, and later generations lament because of Qin people's mistakes, but they don't learn from them, so that later generations lament again. Of future generations not learning from it)

6. If a person doesn't know where he is going, then no wind is downwind. Seneca

7. Hiding a dragon in your heart is both torture and fun. Hugo

8. The more a husband dares to take on a big job, the more energetic he is. -Bansheng

9. Scholars must first make up their minds. Today, people who are so lazy just look at things they haven't done and hit them at random when they meet something. It's just a matter of standing up. -Zhu

10. Stones from other mountains can attack jade. -"The Book of Songs Xiaoya heming" (Borrow stones from other mountains, you can attack jade. )