That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

人は、誰かに必要とされることで生きる意味を見つける。

市场失灵的程度永远不会为零，但政府失灵的程度同样如此。

激情的持续时间与女人最初的抗拒成正比。

创新不仅仅是创造新事物；它是为了改变人们的生活。

可持续性不仅仅是一个流行词；它是我们对后代的责任。