我最后一次被吓到还是6岁时学空手道。
 The last time I was intimidated was when I was 6 years old in karate class.
我教育孩子们要独立——就像我自己一样。
Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.
几何学是独特且永恒的,是上帝心智的反映。