There are still many causes worth sacrificing for, so much history yet to be made.

I'm not a product of my environment. My environment is a product of me.

真正的革命始于语言，始于以另一种方式命名世界的能力。

The world is a book, and those who do not travel read only one page.

复杂性理论告诉我们，并非所有问题都是平等的；有些问题本质上比其他问题更难。