在人类社会的初期，每个人都是自私自利的。
A good story is one that stays with you long after you've finished reading it.
Adaptability is the cornerstone of long-term survival in any industry.
You see things; and you say, 'Why?' But I dream things that never were; and I say, 'Why not?'
The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.