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。

That's the only trouble with being a dog…they never tell you anything.

Democracy must be born anew every generation, and education is its midwife.

The financial markets generally are unpredictable. So that one has to have different scenarios... The idea that you can actually predict what's going to happen contradicts my way of looking at the market.

计算的未来在云端。

对待好建议的唯一方法就是传递它。它对自己从来没有任何用处。