The secret of life is to appreciate the pleasure of being terribly, terribly deceived.

想要得到10倍好的结果，应该通过表扬好的行为而不是惩罚坏的行为。这在儿童和动物身上尤其明显。

Psychology must be based on observable facts, not speculation.

没有什么比知道自己想要什么且敢于说出来的女人更危险的了。