善无主于心者不留,行莫辩于身者不立。
善意并不是自己内心发出的,不能保留;行为自身不能够理解和辨别的,不能去做。
The future of energy lies in balancing traditional resources and renewable development.
Computer science is no more about computers than astronomy is about telescopes.
书籍是通往其他文化的窗户。