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。

I’m not a theorist. I’m not an intellectual. I go by my nose.

If you start out by promising what you don't even have yet, you'll lose your desire to work toward getting it.

The key to our success is the bond we share as a group.