The first duty towards children is to make them happy. If you have not made them so, you have wronged them. No other good they may get can make up for that.
Bio: Deng Ming-Dao is a Chinese American author, artist, philosopher, teacher and martial artist. Deng is his family name; Ming-Dao is his given name. From a young age, he studied Taoist internal arts such as Qigong and Kung-Fu.