There is a road in the mountain of books, but there is no limit to learning the sea.

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

2

A journey of a thousand miles begins with a single step.

Rome was not built in a day.

three

Silkworms in spring will weave until they die, and candles will drain the wick every night.

Forget the national disaster at the risk of life, and suddenly feel life and death. (Cao Zhi)

Immortal.