要解决一个问题，首先必须理解它的本质，然后找到正确的工具来处理它。
To solve a problem, one must first understand its nature and then find the right tools to tackle it.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Every tree we plant today is a legacy for tomorrow.
I do not wish them [women] to have power over men; but over themselves.