一个人若不付出一些无知的代价，就永远不会幸福。
A person is never happy except at the price of some ignorance.
释义：人的一生就像是一场梦，总没有醒来的时候，而戏言中的故事却总能让人们从梦中醒来。
The best way to predict the future of our forests is to create it through responsible management.
"The essence of acting is to live truthfully under imaginary circumstances."
The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.
无限小在自然中的作用是无限大的。