The river runs to the sea, and when will it return to the west? If young people don't work hard, old people will be sad.

One hundred studies must be identified first. (Zhu)

The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold.

Putting pen to paper scares the wind and rain, a poem makes you cry. (Du Fu)

Don't cut down on vanity, be elegant, but your teacher will benefit more. (Du Fu)

The knowledge is good, and we have made an appointment, but we have accumulated a lot and made little progress. (Su Shi)

Be knowledgeable, interrogate, think carefully, distinguish clearly and persist. (Book of Rites)

If you don't climb the mountain, you don't know the height of the sky; Don't face the deep stream, I don't know the thickness of the ground. (Xunzi)

If you don't fly, you will fly to heaven; If you don't sing, it will be a blockbuster. (Sima Qian)

If you don't know what you don't know, you don't know what you are. (Confucius)

Nothing ventured, nothing gained? (Han Shu)

No card, no flow, not much. (Han Yu)

I don't know the true face of Lushan Mountain, but I am only on this mountain. (Su Shi)

Don't be afraid of clouds covering your eyes, you are at the highest level. (Wang Anshi)

You can't build a square garden if you don't follow the rules. (Mencius)

After the flowers are picked into honey, they are sweet to those who work hard. (Luo Yin)