The only person you should try to be better than is the person you were yesterday.

Everything was beautiful and nothing hurt.

水的源头如果浑浊，那么水流就不可能清澈；言行不讲信用的，名声必然受到损害。

The greatest happiness for the laborer consists in having an abundant supply of the necessaries of life.

Psychology should focus on how the mind functions to solve practical problems, not just its abstract structure.

纺织行业必须适应不断变化的世界，否则就有被淘汰的风险。

The dialogue between science and society must be continuous and transparent.