R. Zera: Even that may only be imparted to a chief of the Beth Din, and only then when his heart yearns for knowledge.
R. Ami said: The secrets of the Law may be imparted only to the one who has the five prescribed things, viz. [Is. iii. 3]: "The captain of fifty, and the honorable man, and the counselor, and the skilful artificer, and the eloquent orator." R. Johanan said to R. Elazar: Come, I will fully instruct thee in the subject of the divine chariot. He said to him: I am not old enough. When he was old enough, R. Johanan's soul had passed away, R. Asi said to him: Come, I will fully instruct thee in the subject of the divine chariot. He said to him: If I had been worthy, I should have received full instruction from R. Johanan, thy teacher. R. Joseph was giving full instruction in the subject of the divine chariot. The sages of Pumbeditha were teaching the subject of creation. They said to him: Would the master instruct us fully in the subject of the divine chariot? He answered them: Instruct me in the subject of creation. After they had instructed him, they said to him: Would the master instruct us in the subject of the divine chariot? He answered: In reference to this we have learned in a Boraitha: It is written [Song of Songs iv. 11]: "Honey and milk are under thy tongue." That means, let words sweeter than honey and milk be under thy tongue. R. Abuhu infers the same thing from the following passage [Prov. xxvii. 26]: "The sheep are for thy clothing." That means, things that are the secrets of the world shall be under thy clothes. They said to him: We have worked in them as far as the words [Ezek. ii. 1]: "And he said unto me, Son of man." And he said to them: But this is the real subject of the divine chariot.
The rabbis taught: It happened once that a certain child, who was reading in his teacher's house in the Book of Ezekiel, was pondering over 'Hashmal, and there came out fire from 'Hashmal and burnt him, and they sought in consequence to conceal the Book of Ezekiel. Said Hananiah b. Hezkyah to them: If he was wise, are then all wise?
It is written [Ezek. i. 4]: "And I saw, and behold, a storm wind came out of the north, a great cloud, and a flaming fire, and a brightness was on it round about; and out of the midst of it was like the glitter of amber, out of the midst of the fire." Whither did it go? Said R. Jehudah in the name of Rabh: It went forth to subdue the whole world under the wicked Nebuchadnezzar. And this was done that the nations might not
