森林的真正价值不能仅用板材英尺来衡量。
The true value of a forest cannot be measured in board feet alone.
善于教导的人必须遇到善于学习的人，才能使教育的效果更大。
实现明天的唯一限制将是我们今天的疑虑。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
The problem of quality management is not what people don't know about it. The problem is what they think they do know.
"Experience is simply the name we give our mistakes."
I think of myself as somebody who from an early age knew I was resposible for myself， and I had to make good.