how many thousands of Jews there are which believe; there were many thousands converted at Jerusalem upon the first preaching of the Gospel, after Christ's ascension; see Act_2:41 and the number might be much increased since; though it may be, that reference is had not only to the number of the members of the church at Jerusalem, but to all the believing Jews in Judea, who were now come up to Jerusalem, to keep the feast of Pentecost; since it is in the Greek, "how many myriads there are", and one myriad contains ten thousand: