不要等待完美的时机，现在就是最好的时机。

We don't inherit the land from our ancestors; we borrow it from our children.

Every painting is a failure in some way, but that's what keeps you going.

孩子们从来都不太擅长听长辈的话，但他们从未停止模仿长辈。

The power of causal reasoning is that it allows us to predict the effects of actions we have never taken.

如果你用行为主义的方式养育孩子，让他们无所畏惧，世界就会改变。