New Living Translation
After hearing this, they praised God. And then they said, “You know, dear brother, how many thousands of Jews have also believed, and they all follow the law of Moses very seriously.

American Standard Version
And they, when they heard it, glorified God; and they said unto him, Thou seest, brother, how many thousands there are among the Jews of them that have believed; and they are all zealous for the law:

Berean Study Bible
When they heard this, they glorified God. Then they said to Paul, “You see, brother, how many thousands of Jews have believed, and all of them are zealous for the law.

Douay-Rheims Bible
But they hearing it, glorified God, and said to him: Thou seest, brother, how many thousands there are among the Jews that have believed: and they are all zealous for the law.

English Revised Version
And they, when they heard it, glorified God; and they said unto him, Thou seest, brother, how many thousands there are among the Jews of them which have believed; and they are all zealous for the law:

King James Bible
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:

World English Bible
They, when they heard it, glorified God. They said to him, "You see, brother, how many thousands there are among the Jews of those who have believed, and they are all zealous for the law.

Young's Literal Translation
and they having heard, were glorifying the Lord. They said also to him, 'Thou seest, brother, how many myriads there are of Jews who have believed, and all are zealous of the law,

Acts 21:20 Additional Translations ...