One should, having finished the necessary rites, perform; his ablutions in river-water and gratify the gods with oblations of water. This is the duty of all men.
शौचमावश्यकं कृत्वा देवतानां च तर्पणम्। धर्ममाहुर्मनुष्याणामुपस्पृश्य नदी तरेत्॥