Acts 21:20-21

20 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,

21 and they are instructed concerning thee, that apostacy from Moses thou dost teach to all Jews among the nations, saying -- Not to circumcise the children, nor after the customs to walk;