我们不是从祖先那里继承了地球，而是从子孙那里借来的。
We don't inherit the earth from our ancestors; we borrow it from our children.
"Imagination is the key to unlocking the world."
The brain is a complex system, and we are just beginning to understand how it works.
每个人都必须有一个改变他们的想法，或一本书，或一个词，或一个时刻；如果没有，他们的生命就被浪费了。