活着是世界上最罕见的事情。大多数人只是存在,仅此而已。
The first duty of a revolutionary is to be educated.
可持续发展始于小步,但需要大视野。
我只是努力保持一致性,每天坚持训练。
The complexity of viruses reminds us how much we still have to learn about biology.
过去从未死去,甚至从未过去。