פירוש על שמואל ב 19:1

My son, my son. Eight times.¹Dovid said the word בְּנִי eight times, five times in this verse and another three times later in verse 5. Our Rabbis said,²Sotah 10b. Seven of those times to lift him out of the seven levels of Gehennom and one to to bring him into the World to Come.