法律义务的概念对于理解法律至关重要。

我们奔跑，世界才能飞跃。

我们从地下开采的金属应该在人与人之间架起桥梁，而不是筑起围墙。

教导别人，就是要使其长处得以发扬，使其短处得以遏制。

When you open paint， even a tiny bit， it will always find its way to your clothes no matter how careful you are. Dress accordingly.

"The future of system design lies in the integration of formal methods with traditional engineering practices."

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.