百川东流入海，何时再向西归？如果年轻时不努力，年老时必将悲伤。

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All rivers flow east to the sea; when will they return west? If one does not exert oneself in youth, one will grieve in old age. — Han Yuefu, "Chang Ge Xing"

Prepare for danger in times of peace; if you think, you will be prepared, and if you are prepared, there will be no worry. — "Zuo Zhuan"

Human affairs change with time, and past events become history. — Meng Haoran, "Climbing Mount Xian with Various Friends"

All learning requires establishing a goal first. — Zhu Xi

If a person has a sense of shame, there are things they will not do. — Zhu Xi, "Zhu Zi Yu Lei"

When the Great Way is practiced, the world belongs to all. — "Li Ji: Li Yun"

Reading Du Fu's poems and Han Yu's collections in sorrow is like scratching an itch for Ma Gu. — Du Mu, "On Reading the Collections of Han and Du"

Do not commit evil even if it is small; do not fail to do good even if it is small. — "Records of the Three Kingdoms: Shu Shu, Xian Zhu"

Some people are so devoted to beautiful sentences that their words are startlingly brilliant. — Du Fu, "Brief Description of the River Scene"

I write and speak as I please, unconstrained by old rules. — Huang Zunxian, "Miscellaneous Reflections"

Righteousness is the nourishment of the heart; profit is the nourishment of the body. — Dong Zhongshu, "Chun Qiu Fan Lu"

Those who prioritize righteousness before profit will prosper, while those who prioritize profit before righteousness will be disgraced. — "Xunzi: Rong Ru"

Those with weak will cannot achieve wisdom, and those whose words are untrustworthy cannot achieve success. — Mo Di

Those who have no foresight will inevitably face unexpected troubles. — "Analects: Wei Ling Gong"

My dear, my heart longs for you. — "Book of Songs: Zheng Feng, Zi Jin"

The sea is vast because it accepts all rivers; a mountain is towering because it has no desires. — Lin Zexu

Only the wise can prepare for troubles before they manifest. — "Guanzi: Mu Min"

Learn extensively, inquire deeply, think carefully, distinguish clearly, and practice earnestly. — "Li Ji"

To see what is right and not act is a lack of courage. — "Analects: Wei Zheng"

Heaven's mechanism is like brocade; the art of tailoring lies not in the knife or the ruler. — Lu You, "Reflections on Reading Poetry on September 1st"