人的自由，以及按照自己的意愿行动的自由，是基于他拥有理性，这种理性能够教导他他应该遵循的法律，并使他知道他自己的意愿自由有多远。
The freedom then of man, and liberty of acting according to his own will, is grounded on his having reason, which is able to instruct him in that law he is to govern himself by, and make him know how far he is left to the freedom of his own will.
能源行业必须适应和发展，以应对21世纪的挑战。
抽象是管理大型软件系统复杂性的关键。
"The best way to predict the future is to create it."
制作一部好电影的关键是有一个好剧本。
Leadership means making tough decisions today that will benefit generations tomorrow.