The ancients learned nothing, and it takes time to grow old.

-Lu you

Elbow oil has the best polishing effect.

-China proverb.

If there is a constant, why do you sleep at night? The most useless thing is to be frozen for ten days a day.

Mao Zedong.

One dollar a day, ten dollars a day. The rope saws wood, but water drops stones.

-Bangu

Sail against the current, support hard and retreat in one breath.

-dong.