The consequences of an act affect the probability of its occurring again.

Architecture is a social art.

人生是不可预测的冒险。

The greatest untapped resource in the global economy is the full participation of women.

蓬草长在麻地里，不用扶它也能挺立；把白沙放在黑土里，白沙也就变成黑的了。这两个例子说明，环境对一个人的影响，是非常大的，所以才有了《孟母三迁》的故事。