种一棵树最好的时间是20年前，其次是现在。
It is hard to imagine a more stupid or more dangerous way of making decisions than by putting those decisions in the hands of people who pay no price for being wrong.
不努力的天赋一文不值。
那些疯狂到认为自己可以改变世界的人，才是那些真正改变世界的人。
我不害怕失败。我害怕不去尝试。