The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

化学是一门研究物质性质及其变化的科学。

I like to take things slowly, step by step. I don't want to rush anything in my life.

真正的领导者会创造更多的领导者，而不是更多的追随者。

The beauty of computer science is that it allows us to create something out of nothing.

我不是一个放弃真相的人。