激光对于阿秒物理学的意义，就像望远镜对于天文学的意义一样。
The laser is to attosecond physics what the telescope was to astronomy.
The future is a promise we may not live to see.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night.
Happiness is not something ready-made. It comes from your own actions.
Every day is a new opportunity to change your life.
心理学必须基于事实，而非假设。