I'm starting with the man in the mirror. I'm asking him to change his ways.

The quarries we rehabilitate best become assets our grandchildren will thank us for.

生与死的界限至多是模糊不清的。谁能说一个在哪里结束，另一个在哪里开始？

"A book is a friend that never lets you down."

"The key to discovery is not just in the answers we find, but in the questions we dare to ask."

Quality is not a program, it is a culture.

实现伟大的唯一方法是热爱你所做的事情。