Targum do Liczb 24:3

But he took up the parable of his prophecy, and said: Bileam, son of Beor, speaketh; the man speaketh who is more honourable than his father, (because) the dark mysteries hidden from the prophets have been revealed to him; and who, because he was not circumcised, fell upon his face when the angel stood over against him:

And he took up in parable his prophecy and said: Bileam the son of Beor saith; the man saith who is more honourable than his father, for what hath been hidden from all prophets is revealed to him;