采矿中的每一个挑战都是创新的机会。

真相很少是纯粹的，也从不简单。

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

对自身的优点，要掩藏几分，这是用涵养化育来培养深沉的品格；对别人的缺点，要掩藏几分，这是用朴实厚重来造就博大的胸怀。

"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."

数学中最深刻的思想往往来自最简单的问题。

You have to be willing to grow. Growth is different from something that happens to you. You produce it. You live it. The prerequisites for growth: the openness to experience events and the willingness to be changed by them.