About inspirational famous sayings:

Nothing is difficult in the world, as long as you are willing to climb.

——Mao

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

—— Lu You

The best is due to hard work, and the most wasteful is due to play; success is achieved by thinking, and failure is achieved by following.

—— Han Yu