一个人的心灵美好，是不可能掩蔽的，这会表现在形体容貌上，也能在神色上看得出来。

Behavior is determined by the current stimulus situation and past reinforcement history.

I don't want to be remembered for being famous. I want to be remembered for being brave.

I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.