Sustainability isn't an option; it's a responsibility we owe to future generations.
可持续发展不是一种选择，而是我们对后代的责任。
历史将宣判我无罪。
蓬草长在麻地里，不用扶它也能挺立；把白沙放在黑土里，白沙也就变成黑的了。这两个例子说明，环境对一个人的影响，是非常大的，所以才有了《孟母三迁》的故事。
Don't let them see you bleed.
The art of teaching is the art of assisting discovery.
We are all just passing through, and the world is indifferent to our passing.