The laser is to attosecond physics what the telescope was to astronomy.

The quality of the product is the dignity of the enterprise.

A mathematician's best work often comes from seeing connections where others see none.

你唯一应该努力超越的人就是昨天的自己。

可怕的是假装二流是一流的。假装你不需要爱，而实际上你需要；或者假装你喜欢你的工作，而你很清楚你能做得更好。