无论我们观察到多少只白天鹅,都不能证明所有天鹅都是白色的。
I've been through it all, baby, I'm mother courage.
教师必须为形成较好人类而献出一切。
Strategy is about making choices, trade-offs; it's about deliberately choosing to be different.
I don't have time to hate people who hate me, because I'm too busy loving people who love me.