Contemplating the weaknesses of others is easy； contemplating the weaknesses in yourself is hard， but it pays a much higher reward.

Mathematics is the foundation upon which we build our understanding of the world, and it is through this understanding that we can solve the most complex problems.

自由的代价是永恒的警惕。

The power of literature lies in its ability to make us see the world through different eyes.

暴力就像投入池塘的石头；涟漪会扩散到最初的水花之外。