First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
12:2et nunc rex graditur ante vos ego autem senui et incanui porro filii mei vobiscum sunt itaque conversatus coram vobis ab adulescentia mea usque ad diem hanc ecce praesto sum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.