A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
I don't know what I would do if I didn't act. I think I would go mad.
产品要像水一样,适应不同用户的需求。
The market is not always right, but it is always there.
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。
我不是神,我是一个有缺陷的人。
Life is the teacher, and I'm the student.