NET
20 When they heard this, they praised God. Then they said to him, “You see, brother, how many thousands of Jews there are who have believed, and they are all ardent observers of the law.
Darby
20 And they having heard [it] glorified God, and said to him, Thou seest, brother, how many myriads there are of the Jews who have believed, and all are zealous of the law.
KJV
20 And when they heard [it], they glorified the Lord, and said unto him, Thou seest, brother, how many thousands of Jews there are which believe; and they are all zealous of the law: