mantratas tantrataś chidraṁ deśa-kālārha-vastutaḥ
mantratas tantrataś chidraṁ deśa-kālārha-vastutaḥ |
sarvaṁ karoti niśchidram anusaṅkīrtanaṁ tava ||
(Śrīmad Bhāgavatam: 8.23.16; cited in Hari-bhakti-vilāsa: 11.376; Bhakti Sandarbha: 97)
“Continuous saṅkīrtana of you makes flawless all flaws [in yajñas] related to mantras, procedure, place, time, eligibility, and ingredients.”