在危机时刻，真正的领导者通过坚定地做出艰难决策而脱颖而出。
科学不仅仅是关于事实，而是理解支配这些事实的基本原理。
Stray birds of summer come to my window to sing and fly away。 And yellow leaves of autumn， which have no songs， flutter and fall there with a sigh。
The past is a foreign country; they do things differently there.
我希望作品提出问题，而不是提供答案。
Science is not just about accumulating facts; it's about understanding the mechanisms behind them.