The future of petrochemical industry lies in sustainable development.

【译文】不要轻信那些所谓特别正直的人，也要防备那些标榜仁义却不仁义的人。山里有长得笔直的树，世上却无正直的人。

We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.

真正快乐的唯一途径是接受自己，并不断成长和进步。

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

正义是一种非理性的理想。

教师必须既是学生的研究者，也是学科的研究者。