Walls define space, but openings connect it to the world.

人生是一次性的旅行，让我们勇敢地生活，不留遗憾。

出自先秦《荀子·礼论》。生是人的开始，死是人的终结。开始与终结都做得好，那么他的为人之道就完善了。说明意在劝人行仁行善，要善始善终。

The study of automata and formal languages is fundamental to understanding the limits of computation.

These are our lives. No one gets to just turn you off.

心灵是一个相互关联过程的动态系统。

The best way to predict the future is to create it.