神奇数字150表明，我们社交网络的规模受限于大脑的容量。

我不说唱，我只制造热门歌曲。

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

The most powerful force in the universe is compound interest.

现实并不总是可能或可信的。