Don’t let go of the green hills, and keep your roots in the broken rocks.

After countless hardships, I am still strong, regardless of the winds from east to west, north and south.

As long as you work hard, an iron pestle can be ground into a needle

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

How can it be achieved without a bone-piercing cold? The plum blossoms are fragrant.

Although it is hard work to search for thousands of pounds, you will only get gold after blowing all the sand.