Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
18:43et dixit ad puerum suum ascende et prospice contra mare qui cum ascendisset et contemplatus esset ait non est quicquam et rursum ait illi revertere septem vicibus
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.