Sustainability isn’t just a buzzword—it’s a responsibility we owe to future generations.

Sustainable quarrying means listening to the land as intently as we listen to shareholders.

思考你的未来的最佳时机就是现在。

效率能够让你做到你以前不曾做到的事情。

最好的科学是双手弄脏而头脑清醒时完成的。

创新来自于对一千件事说“不”，专注于真正重要的少数几件事。

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.