The night is a great teacher, but the stars are its lessons.
夜晚是一位伟大的老师，但星星是它的课程。
The art of any culture is the exponent of its social relationships.
The greatest risk lies in not knowing what you're doing.
技术领先是石油化工企业的立身之本，要持续加大研发投入。
The library is inhabited by spirits that come out of the pages at night.
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.