A really well-made buttonhole is the only link between Art and Nature.

I have made a ceaseless effort not to ridicule， not to bewail， not to scorn human actions， but to understand them.

Your work begins, work that will not be always joyful to you, labor that may not always fulfill you and days that will seem like one damn thing after the other.

对高分子的研究不仅仅是化学的一个分支；它是一种关于物质的新思维方式。