Survival is not about being fearless. It's about making a decision, getting on and doing it, because you have to.
永远不要低估一个执行得非常好的简单想法的力量。
Safety must always come first, no matter the cost.
Mathematics is the language in which the universe is written.
The real wealth of a nation grows from its soil.
积极心理学不仅仅是感觉良好，它是关于美好生活——一种充满投入、意义和积极关系的生活。