Ramayana
स हि पावयितुं शक्तस्त्वया यद्दुष्कृतं कृतम् । तस्यातिथ्यं च कृत्वा वै मत्समीपं गमिष्यसि ॥ 7-30-44 ॥
'For he is able to purify the wrongdoing that has been committed by you; and having shown him hospitality, you shall come into my presence.'
english translation