Āmagandhasutta

snp2.2:13.1 The Buddha explained this matter to him <j>again and again,

snp2.2:13.2 until the master of hymns understood it.

snp2.2:13.3 It was illustrated with colorful verses

snp2.2:13.4 by the sage free of putrefaction, <j>unattached, hard to trace.