The best quarries don't just extract value; they create it through regeneration.
最优秀的采石场不仅提取价值，更通过再生创造价值。
我不喜欢被仅仅标记为一件事。
选择很简单：要么我们现在保护自然，要么我们以后付出代价。
You can't get mad at anybody else for your own mistakes.
能够激发学生对一件善行或一首好诗的感受的教师，比那些用一排排自然物体填满我们记忆的人成就更大。
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
We don’t have as many managers as we should, but we would rather have too few than too many.