The fact is that women have more power and influence in America today than at any other time in our history.
In the end, we will remember not the words of our enemies, but the silence of our friends.
自然的统一性不是一个事实,而是一项任务。
量子力学不仅是关于原子的理论,更是关于整个自然的理论。
The most important skill for the future is the ability to learn.