Narada Purana — Purva Bhaga, Shloka 9
Gṛhastha-nitya-karman: Śauca, Sandhyā-vidhi, Pañca-yajña, and Āśrama-krama
शौचं तु द्विविधं प्रोक्तं ब्राह्ममाभ्यंतरं तथा । मृज्जलाभ्यां बहिः शुद्धिर्भावशुद्धिस्तथांतरम् ॥ ९ ॥
śaucaṃ tu dvividhaṃ proktaṃ brāhmamābhyaṃtaraṃ tathā | mṛjjalābhyāṃ bahiḥ śuddhirbhāvaśuddhistathāṃtaram || 9 ||
シャウチャ（清浄）は二種あると説かれる。外なる清浄と内なる清浄であり、これはまことに梵（ブラフマン）へと高める修行である。外の清浄は土（粘土・灰）と水によって得られ、内の清浄は bhāva—心の情と意志—を浄めることである。
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
FAQs
It defines śauca as both bodily cleanliness and inner moral-spiritual clarity, emphasizing that true purity is completed only when external cleansing is matched by purified intention (bhāvaśuddhi).
Bhakti matures through inner purity: when motives, emotions, and intentions are cleansed (bhāvaśuddhi), worship and japa become sincere rather than merely ritual, aligning the heart with the Lord.
It highlights āhnika/ācāra-based ritual hygiene: the practical use of water and purifying earth substances for external śuddhi, a foundational prerequisite for many Vedic and smārta rites.