1. Isn’t it true that one should learn and practice from time to time? Isn’t it great to have friends from far away? ——"The Analects of Confucius·Xueer"

You can become a teacher by reviewing the past and learning the new. ——"The Analects of Confucius·For Politics"

Learning without thinking will lead to failure, and thinking without learning will lead to peril. ——"The Analects of Confucius·Wei Zheng"

Knowing is knowing, not knowing is not knowing, this is knowing. ——"The Analects of Confucius·Wei Zheng"

When you see the virtuous, think about them, and when you see the virtuous, you should introspect yourself. ——"The Analects of Confucius·Li Ren"

When three of us walk together, there must be one who is my teacher. Choose the good ones and follow them, and change the bad ones. ——"The Analects·Shuer"

Don't do to others what you don't want others to do to you. ——"The Analects of Confucius·Wei Linggong"

2. Fish is what I want; bear's paws are also what I want. You can't have both. One would give up fish and take bear's paws. Life is what I want;

Righteousness is also what I want. You cannot have both, and you have to give up life for righteousness. ——"Mencius, Gaozi Shang, Fish I Want"

3. Therefore, when Heaven is about to entrust a great responsibility to a person, he must first strain his mind, strain his muscles and bones, starve his body and skin, and deplete his body. The body and actions mess up what he does,

so his mind and forbearance have been beneficial to what he could not do. ——"Mencius·Gao Zixia·Born in sorrow, died in peace and happiness"

4. Fighting means courage. It can be vigorous in one go, then weaken again, or exhausted three times.

——"Zuo Zhuan·Cao GUI's Debate"