(Click on the above link for the full poem)
Śrīkrsna spoke: O Arjuna! Are you aware of those names from sahasranāma stotra (1000 names panegyric) on knowing which a man liberates various sins. One should know and remember (them as follows): First is Hari and second is Keśava. Third is Padmanābha and fourth is Vāmana.