爱就是看见无形之物，相信不可能之事。
To love is to see the invisible and to believe in the impossible.
The problem is not that people are taxed too little, the problem is that government spends too much.
拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到对称性和拓扑的保护，使它们对某些类型的无序免疫。
每个想法都有其运动结果。