The priesthood is an inheritance in the history of Israel: when a priest is old, he lays hands on his descendants who will succeed him. This is what Isaac did to Jacob, who should have been given to Esau, his elder brother. This method is still used today through the use of hands in the sacrament of Holy Orders... Catechesis on The prayer of Jesus, the prayer of the priest with P. Justolat Rafaralahimboa.