When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

Emotions are not just reactions; they are also predictors of our future behavior.

种一棵树最好的时间是20年前，第二好的时间是现在。

The truth is not always the easiest thing to believe.

人是一种做交易的动物，没有其他动物会这样做，没有狗会和另一只狗交换骨头。

要求被爱是一切傲慢中最狂妄的。