yam sapta-ratram prapathan
japah ca-the chanting mantra in this connection; paramah-very, very; guhyah-confidential; sruyatam-please hear; me-from me; nrpa-atmaja-O son of the King; yam-which; sapta-ratram-seven nights; prapathan-chanting; puman-a person; pasyati-can see; khecaran-human beings who travel in space.