Thematic Bible: Necessity of, denied by paul

But although my companion Titus was a Greek they did not insist upon even his being circumcised. Yet there was danger of this through the false brethren secretly introduced into the Church, who had stolen in to spy out the freedom which is ours in Christ Jesus, in order to rob us of it. But not for an hour did we give way and submit to them; in order that the Good News might continue with you in its integrity.