化学之美在于它能够在分子水平上解释世界。
The beauty of chemistry lies in its ability to explain the world at the molecular level.
We are all bit-part actors in each other's lives.
译文:人生得一知己必须要对知己问心无愧,读书人多读书,一定要学以致用。赏析:做人做事凭着良心方能服众,才不会招致怨愤和祸患。读书的目的就是学以致用,我们不能读死书,死读书,我们要让书中的知识来指导我们的生活。