When hundreds of rivers reach the sea from the east, when will they return to the west? If a young man does not work hard, the old man will be miserable. (Han Yuefu "Long Song Xing")

To learn a hundred things, one must first be determined. (Zhu Xi)

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

The pen fell in the storm, and the poem became the weeping ghosts and gods. (Du Fu)

Bie Zai Pseudo-Tai Qin Fengya, Zhuan Yiduo is your teacher. (Du Fu)

Extensive observation and apprehension, thick accumulation and thin hair.

(Su Shi)