我画人不是因为他们是什么样的人，也不完全不管他们是什么样的人，而是碰巧他们就是那样。

向人求助之时应该去求真正胸襟开阔的人；帮助别人时要帮助真正需要帮助的人。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

积极心理学最重要的原则是：他人很重要。