小人办事,处理的原则是私利,合于私利的就看作利,违背私利的就看作害;君子办事,衡量的标准是道义,合于道义的就看作利,违反道义的就看作害。
The universe constantly surprises us, and that’s what makes science so exciting.
The best way to predict the future is to create it.
过去越黑暗,未来越光明。
追梦的代价