For myself I am an optimist – it does not seem to be much use to be anything else.
我本人是个乐观主义者,因为做别的貌似没什么用。
一份不允许我用武力捍卫自己免受攻击的契约总是无效的。
Legal rules are not self-executing; they require human agency to be effective.
The future belongs to those who can extract value while reducing environmental impact.