在阿秒世界里，时间不是一条河流，而是一系列等待被捕捉的快照。
In the attosecond world, time is not a river but a series of snapshots waiting to be captured.
The greatest education in the world is watching the masters at work.
Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth.
Silence is not always absence; sometimes it is the loudest presence.