tepus tatra mahat tapaḥ

tat-of that holy place; upasparsanat-by bathing regularly in the water; eva-indeed; vinirdhuta-completely purified; mala-asayah-of all the dirt within the heart; japantah-chanting or murmuring; brahma-mantras beginning with om (such as om tad visnoh paramam padam sada pasyanti surayah); paramam-the ultimate goal; tepuh-performed; tatra-there; mahat-great; tapah-penances.