最可持续的树是仍然屹立不倒的树。

You may think I’m small, but I have a universe inside my mind.

People are not lazy. They simply have impotent goals – that is, goals that do not inspire them.

有两种自由——一种虚伪的自由，一个人可以为所欲为；一种真正的自由，一个人可以为所应为。