Every challenge in quarry operations is an opportunity to innovate and improve.

言语得当，是智慧的表现；沉默得当，也是智的表现。

The best architecture is invisible.

Freedom is not the power to do what we want， but the right to do what we ought.

一个人的工作不过是通过艺术的迂回，重新发现那两三个伟大而简单的形象，在这些形象面前，他的心第一次敞开了。