Although Isaac's father owned property and animals which made him quite a wealthy man, he was completely uneducated and could not sign his own name.
Kahit Isaac ang ama na pag-aari ng ari-arian at mga hayop na kung saan ginawa niya lubos na masalapi ng isang tao, siya ay ganap na walang pinag-aralan at hindi mag-sign kanyang sariling pangalan.