软件开发中最重要的一个方面是明确你要构建什么。

The best books leave room for the reader's imagination.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

知识就是力量，但学习是超能力。