移山之人，始于搬运小石。
The man who removes a mountain begins by carrying away small stones.
一个好的程序员是在穿过单行道之前总是两边都看的人。
I'm not perfect, and I don't pretend to be.
聚合物的研究不仅仅是化学的一个分支；它是化学与生物学、物理学和工程学之间的桥梁。
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.