人莫鉴于流水，而鉴于止水。
人不能以流水作为镜鉴，只能在静止的水面照见自己。
Every day is a chance to be better.
The best way to get a project done faster is to start sooner.
The interplay between light and matter at attosecond timescales reveals a universe far more dynamic than we ever imagined.