The greatest enemy of a good plan is the dream of a perfect plan.

Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.

如果你想赢得诺贝尔奖，就不应该想着赢得诺贝尔奖。

I'm not a trendsetter, I'm a game changer.

从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。