一个人能成为什么，他就必须成为什么。这种需求我们称之为自我实现。

When you betray somebody else, you also betray yourself.

The rich are different from you and me—they have more money and less empathy.

The best quarries leave not just holes in the ground, but value in communities.

做出伟大工作的唯一方法就是热爱你所做的事情。

质量始于农场，我们的任务是确保它永不衰退。