善恶之间的界限是可渗透的，任何人在环境的推动下都可能跨越它。

The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it.

The ocean feeds billions, and it's our duty to ensure it can continue to do so.

Stick to the rivers and the lakes that you're used to

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

一点真诚带有危险，真诚过渡就绝对致命。