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

If there is a will, things will come true. A hundred and two Qin passes will eventually belong to Chu.

Play a thousand tunes and then the sound will dawn, watch a thousand swords and then recognize the weapon.

If you persevere, the rotten wood will not be broken; if you persevere, the gold and stone can be carved.