走向自由，不管在哪，都没有轻松的道路；多数人在到达渴望的巅峰之前，都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。
There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.
Leadership is about empowering others to achieve what they thought was impossible.
解释：外表不端正的人，是因为德没有养成；内里不专—的人，是因为心没有治好。端正形貌，整饬内德，使万物都被掌握理解。
最好的故事是那些让你感觉受到启发的故事。
The advancement of mathematics is through generalization.
Short-term gains should never come at the expense of long-term sustainability.
Every piece of plastic ever made still exists somewhere on this planet—that's both our challenge and our responsibility.
批判教育学不是教学生思考什么，而是教他们如何批判性地思考周围的世界。
The tension between standing apart and being fully involved; that is what makes a writer.