化学是连接物理学和生物学的核心科学。

化学的艺术在于能够分离、识别并确定构成物质的成分及其数量。

我不是为评论家唱歌，我是为歌迷唱歌。

If oxen and horses and lions had hands and could paint with their hands and produce works of art as men do, horses would paint the forms of the gods like horses, and oxen like oxen, and they would make their bodies in accordance with the form that each species itself possesses.

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。