A sense of duty is just love of one's duty.

The only thing that can bring you happiness is yourself.

故事是由死者讲述的，而死者不需要谎言。

长城汽车的发展离不开每一位员工的努力和奉献。

I think the most important thing in life is to be honest with yourself and with others.

知道是贤人而不举荐，很危险；知道是善事而不表彰，很危险；知道他能干而不任用，很危险。