The challenge in model checking is not just to find errors, but to understand why they occur.

Freedom of men under government is to have a standing rule to live by, common to everyone, and not to be subject to the inconstant, uncertain, arbitrary will of another man.

The dead have left us clues in their DNA.

The utility of an idea determines its place in mental life.

教育是你可以用来改变世界的最强大武器。

解释：酸味食物走筋脉，但过量食用会导致小便不畅，说明饮食需适量。

The more you look, the more you see.