法苑珠林 19.7

19.7

如梵網經云。出家人法不合禮拜國王父母六親。亦不敬事鬼神。又涅槃經云。出家人不禮敬在家人。

As the Brahmā's Net Sūtra states: "The dharma of those who have left home does not permit them to bow down to kings, parents, or the six relations, nor do they revere and serve ghosts and spirits." And the Nirvāṇa Sūtra states: "Those who have left home do not bow in veneration to householders."