能量守恒定律不仅仅是一个抽象原则；它是已被无数实验验证的自然法则。
If you are insecure, guess what? The rest of the world is, too. Do not overestimate the competition and underestimate yourself. You are better than you think.
任务不在于看到别人未曾看到的东西，而在于思考别人未曾思考过的东西，关于那些每个人都看到的事物。
Sustainability isn't a trend—it's a responsibility we owe to future generations.
可持续性不是成本，而是对我们未来的投资。
另一个人的心是一片黑暗的森林，无论它曾经多么接近自己的心。
The only limit to our realization of tomorrow will be our doubts of today.