解释：冬天不洗冰水，并不是吝惜冰；夏天不烤火，也不是舍不得火。而是因为这样做对身体不适宜。

Abstraction is not just about hiding details; it's about creating a clear and concise model of the problem domain.

绘画的行为是一种超越的行为。

The more you know, the more you realize how little you know.

We are all of us, every day, engaged in the act of creating ourselves.

我们要做就做最好的，否则就不做。

The end of all our exploring will be to arrive where we started and know the place for the first time.

不可能与可能之间的区别在于一个人的决心。