Narada Purana — Purva Bhaga, Shloka 20
The Explanation of Sandhyā and Related Daily Observances
Saṅdhyā-ādi Nitya-karma-Vidhi
निमज्य क्षालयेत्सम्यग् मलस्नानमितीरितम् । विभाव्येष्टमयं सर्वमान्तरं स्नानमाचरेत् ॥ २० ॥
nimajya kṣālayetsamyag malasnānamitīritam | vibhāvyeṣṭamayaṃ sarvamāntaraṃ snānamācaret || 20 ||
沈み入って後、身をよく洗い清めよ。これを「垢を除く沐浴」という。さらに、万物が愛しき主—選ばれた本尊（イシュタ・デーヴァター）の臨在に満ちると観じ、内なる沐浴、すなわち心の浄化を行え。
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It teaches that outward cleanliness (malasnāna) should be completed by inward purification (āntara snāna), where the mind is cleansed through sacred contemplation—making the ritual spiritually effective, not merely physical.
By instructing one to contemplate all as “iṣṭamaya” (pervaded by one’s chosen Deity), it turns bathing into devotional recollection and God-centered vision, a practical bhakti discipline integrated into daily ritual.
It highlights ritual procedure and purity-discipline (śauca and snāna-vidhi) that supports Vedic practice—linking correct external action with internal mental orientation, a key principle in technical dharma instruction.