(1) Plum blossoms can't smell fragrant without freezing to the bone.

(2) If you didn't look up, who would believe that the east flows deep in the ocean?

(3) Where there is a will, there is a way.

(4) Nothing is difficult to a willing mind

(5) The sword is sharpened, and the plum blossom comes from bitter cold

(6) Young people don't work hard, but old people are sad.

(7) sharpen a sword every ten years, and once you try it, you will sharpen your edge.

(8) There is a road to diligence in Shushan, and there is no limit to learning the sea.

(9) It is the night when men are reading.

(1) Black hair doesn't know how to study early, while white head regrets studying late.