Said Rabbi Ishmael: All the companions said to me: “Scion of nobles, thou who rulest by the light of the Law as doth Rabbi Nehunya ben Hakkanah, see him and bring him back that he sit with us, leaving the vision which he glimpseth in the vision of the Merkabha, and that he tell us who is he who doth and doth not descend to the Merkabha – he whom the door-keepers of the sixth palace would attack, for they would not touch at all those who [really] descend to the Merkabha. What is the difference between those [who would not be attacked] and those [who would]?”