First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
Chapter 20
3et iuravit rursum David et ille ait scit profecto pater tuus quia inveni gratiam in oculis tuis et dicet nesciat hoc Ionathan ne forte tristetur quinimmo vivit Dominus et vivit anima tua quia uno tantum ut ita dicam gradu ego morsque dividimur
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.