唯一真正有价值的是你分享的爱。
The only thing that is truly valuable is the love you share.
The fundamental defect of fathers is that they want their children to be a credit to them.
认知地图不是头脑中的一幅图或模型,而是环境的动态变化表征。
地球资源有限,但人类的创造力无限。