自由不是任何人可以给予的东西。自由是人们夺取的，人们有多想要自由，就有多自由。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.

拓扑态对局部扰动的鲁棒性是拓扑在保护量子信息方面力量的一个证明。