The art of being wise is the art of knowing what to overlook.

圆的周长大于任何内接等边多边形的周长，小于任何外切多边形的周长。

The human body is the best picture of the human soul.

写作是让不可见之物可见。

If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.

图书馆的存在本身就提供了最好的证据，证明我们对人类的未来仍可抱有希望。