想要得到10倍好的結(jié)果，應(yīng)該通過表揚好的行為而不是懲罰壞的行為。這在兒童和動物身上尤其明顯。
Who has deveiv'd thee so oft as thy self?
形式化方法的美在于它們能夠提供關(guān)于系統(tǒng)行為的絕對保證。
The truth is a matter of the imagination.
A good novel tells us the truth about its hero; but a bad novel tells us the truth about its author.