Chesedname, I couldn’t find that exact quote yet, but in Shmuel II perek 11 Abrabanel writes ?? ????? ???? ???? ????? ???, ??? ????? ?? ???? ?????… ??? ??? ?? ????? ???? ???? ???? ???? ?????, ??? ???? ???? ??? ???????.
(Source: http://www.hebrewbooks.org/pdfpager.aspx?req=14367&st=&pgnum=344 – page 344)
BTW in the gemara in A.Z. I quoted above I mistakenly wrote Reuvain, I meant David. The point is the same.