Life is not about waiting for the storms to pass, it's about learning how to dance in the rain.

The key to success is persistence, persistence, and more persistence.

Machinery and labor-saving devices are only valuable as they serve to reduce the cost of manufacture.

煤炭的真正价值在于我们如何负责任地开采和使用它。

不学《诗经》，就无法表达自己的意思；不学习《礼记》，就无法在社会中立足。