Behold, the days come, that I will cut off your arm, and the arm of your father's house, that there shall not be an old man in your house.
Read Chapter 2
George Leo Haydock
Arm, strength or children. I will slay some; others I will reduce to extreme want. Some explain it of the ark, which was the protection of Israel. (Calmet)
Old man, to govern. (Du Hamel)
It is often a title of dignity. But the four succeeding pontiffs did not live long. In the course of little more than 100 years, the last was deposed. (Calmet)
Hence I beg you to offer a hand to our children lest we ourselves become liable for what is committed by them. Are you not aware of what happened to old Eli for not properly correcting his sons’ shortcomings? I mean, when a disease requires surgery, it rapidly becomes incurable if the physician is bent on treating it with skin ointments and does not apply the appropriate remedy. In just the same way it behooved that old man to take appropriate action regarding his sons’ failing, but by being guilty of excessive tolerance he too shared in their punishment. - "Homilies on Genesis 59.20"