Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
成功绝非偶然。它是努力工作、坚持不懈、学习、研究、牺牲，最重要的是对你所做事情的热爱。
The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.
行为不仅仅是对刺激的反应，而是由期望和目的引导的。
我们需要为拆卸而设计，就像为组装而设计一样。
We are all in the gutter, but some of us are looking at the stars.