我们不是从祖先那里继承了地球；我们是从子孙那里借来的。
The goal of software engineering is to create systems that are reliable, efficient, and easy to understand and modify.
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
