The difference between ordinary and extraordinary is that little extra.

The power of mathematics is in its universality and its ability to transcend cultural boundaries.

家不仅仅是一个地方；它是一种感觉，一种归属感。

应对不自由世界的唯一方式，就是让自己彻底自由，以至于你的存在本身就是一种反抗。