"Complexity theory teaches us that not all problems are created equal; some are inherently harder than others."

我很幸运能做我喜欢的事情。

Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?

我认为最好的关系是那些你可以完全做自己的关系。

板块构造理论的美妙之处在于，它用如此简单的理论解释了如此多的现象。

化学的乐趣在于看到不可见的东西变得可见。