Narada Purana — Purva Bhaga, Shloka 80
Gṛhastha-nitya-karman: Śauca, Sandhyā-vidhi, Pañca-yajña, and Āśrama-krama
अपोशाने वाचमने अद्यद्रव्येषु च द्विजः । शब्द न कारयेद्विप्रस्तं कुर्वन्नारकी भवेत् ॥ ८० ॥
apośāne vācamane adyadravyeṣu ca dvijaḥ | śabda na kārayedviprastaṃ kurvannārakī bhavet || 80 ||
行阿波舍那（净化啜水）之时，行瓦恰摩那（漱口）之时，以及触持不净之物之时，二次生者不应出声言语；若违之而语，便堕地狱之分。
Narada (teaching dharma/ācāra in dialogue context with the Sanatkumara tradition)
Vrata: none
Primary Rasa: bhayanaka
Secondary Rasa: shanta
FAQs
It teaches that purity is not only physical but also verbal and mental; during purificatory acts, disciplined silence safeguards sanctity and prevents ritual fault (doṣa).
By insisting on careful conduct during cleansing rites, it supports bhakti through reverence and attentiveness—treating purification as service and preparation for worship rather than a casual act.
It reflects Kalpa/Smārta-vidhi (ritual procedure) and śauca-ācāra: the practical rule that one should maintain silence while performing ācamana/āpośana and while in a state of contact with impurity.