Capitalism, then, is by nature a form or method of economic change and not only never is but never can be stationary.

模型检查是验证有限状态并发系统正确性的强大技术。

火药是我的画笔，天空是我的画布。

The best ideas often come from the most unexpected places; keep your mind open.

隐私不仅是一种权利，而且是自由社会运作的必要条件。