A lazy youth, a lousy age. (Han Yuefu's "Long Songs") A hundred studies must be decided first. (Zhu) The sword is sharpened, and the plum blossom is bitter and cold. Put pen to paper shocks the wind and rain, and poetry becomes tears. (Du Fu) Don't cut the illusory body and be elegant, but learn from it. (Du Fu) He has a broad vision and makes good appointments with people, but he has accumulated a lot. (Su Shi) erudite, interrogative, thoughtful, discerning and persistent. (Book of Rites) You don't know the height of the sky unless you climb the mountain. Don't face the deep stream, I don't know the thickness of the ground. ("Xunzi") Advise people to cherish time, black hair does not know how to learn early, white boss regrets, and young people who learn late learn easily, but it is difficult to grow old. An inch of time can't be light, and an inch of time can't be bought and saved. If you don't work hard, the boss will be sad and warn people to be honest. 1. If you don't have a strong will, you won't be wise. If you don't believe it, you will fail. -Mo Zhai, Warring States thinker. 2. Internal and external correspondence, words and deeds are consistent. -Han Fei, philosopher and educator during the Warring States Period. 3. Goodness does not come from the outside, and the name cannot be spread in vain. -Qu Yuan, a Warring States poet. 4. The true person is sincere, not refined but sincere, and can't move. -Zhuang Zhou, philosopher during the Warring States Period. 5. A person's treachery is not famous. -Liu Xiang, a scholar in the Han Dynasty. 6. False deception can't last long, emptiness can't last long, rotten wood can't be carved, and love can't last long. -Han Ying, a poetic critic in the Han Dynasty. 7. If you don't trust others, your wife will doubt them. -Chang Quan, a hermit in the Jin Dynasty. 8. Without loyalty, one can't stand on the world. -Cheng Yi, philosopher of the Song Dynasty. 9.