Coal miners don't just dig in the dirt, they dig for progress.

We don't inherit the earth from our ancestors; we borrow it from our children.

Speaking of my future daughter, I just want her to be healthy and happy.

保持对知识的渴望，你将永远不会缺乏机会。

智能是根据过去经验预测未来的能力。

在数学中，提出问题的艺术必须比解决问题更有价值。

我相信建筑应该是过去与未来之间的对话。