采石业必须与技术一起发展，否则就有落后的风险。

每个人都有属于自己的故事。

Success is not about money or fame, it’s about happiness and fulfillment.

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

教学只是教育的脚手架；真正的建筑是由孩子自己完成的。

化学之美在于它能解释看不见的事物。