Ramayana
स गत्वा यमुनातीरं सप्तरात्रोषितः पथि । ऋषीणां पुण्यकीर्तीनामाश्रमे वासमभ्ययात् ॥ 7-66-15 ॥
Going to the bank of the Yamuna, having lodged seven nights upon the road, he took up his abode in the hermitage of sages of holy fame.
english translation