And the reason I was able to do that and keep with what my original intentions were was to have a career that was the fulfilling, in terms of helping people and being engaged in science, is all of a sudden I realized, as chemists, we can think about better ways to build molecules that are important for making medications.

我能够这么做,并且能不和我原来的打算冲突,是因为我的职业很有意义，能帮助他人，又和科学相关,于是突然我意思到，作为一个化学家,我们可以思考出更好的办法,制造出在制药方面十分有用的分子。

麻省理工公开课 - 化学原理课程节选

What's the point? Again, you can have things that are syntactically legal but not semantically meaningful, and static semantics is going to be a way of helping us decide what expressions, what pieces of code, actually have real meaning to it. All right?

重点是什么？重申，你可以有东西在语义结构的逻辑上有意义,但是在语义上无意义，而static语义,将是一个帮助我们,决定哪些表达，哪部分的代码实际上，有意义的途径，好么？

麻省理工公开课 - 计算机科学及编程导论课程节选