It is the characteristic of a devotee to observe and protect the Vaisnava etiquette. Maintenance of the Vaisnava etiquette is the ornament of a devotee
Appearance
Sri Caitanya-caritamrta
CC Antya-lila
CC Antya 4.129-130, Translation:
it is the characteristic of a devotee to observe and protect the Vaisnava etiquette. Maintenance of the Vaisnava etiquette is the ornament of a devotee