Every tree we plant today is an investment in a greener, healthier tomorrow.

You have to fight to reach your dream. You have to sacrifice and work hard for it.

解读：评判人不能只看风光时，更要看其落魄之际的姿态，能在困境保持尊严，坚守底线，才彰显真正的人格价值与生命韧性。

The world is full of people who have never, since childhood, met an open doorway with an open mind.

When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.

You don't have to burn books to destroy a culture. Just get people to stop reading them.