the greatest pleasure is to be virtuous; to do good is the happiest thing ❍ 他爷爷总喜欢对人说： “～。” His grandpa always says to others，“To do good is the happiest thing. ”
为善最乐wéi shàn zuì lè
做好事最快乐。doing good is the greatest source of happiness, the greatest pleasure is to be virtuous