Modern quarrying must marry the wisdom of geology with the innovation of engineering.

The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.

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

The instinct to fear risk forces the poor to take bigger risks.

Quality is the lifeline of an enterprise.

奖赏不正确，没有鼓励作用；施刑不正确，也起不到惩戒作用。