diligence is a good training, and hard work is a talent. (1) Genius is like this, and lifelong efforts will become a genius. -Mendeleev

industry is good at diligence, but poor at leisure. -Han Yu

Shushan has a diligent path, and learning the sea is endless.

(2) Wang Xizhi: Learn from Linchi, and the water in the pool is completely black.

Kuang Heng: Dig the wall for light. The firefly reflects the snow.

Ouyang Xiu studied hard on the "three classes" (pillow, horse and toilet), racing against time and cherishing time.