"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

Sustainability is the future of quarrying, and we must act now.

要理解一种文化，首先必须聆听它的故事。

释义：世间繁杂的事情看之不尽，天下的书籍读之不尽，世界的道理参悟不尽。