'Circumcise' in the Bible

And it came to pass on the eighth day, that they came to circumcise the child; and they would have called him Zacharias, after the name of the father.

Moses hath given you circumcision (not that it is of Moses, but of the fathers); and on the sabbath ye circumcise a man.

But there rose up certain of the sect of the Pharisees who believed, saying, It is needful to circumcise them, and to charge them to keep the law of Moses.

and they have been informed concerning thee, that thou teachest all the Jews who are among the Gentiles to forsake Moses, telling them not to circumcise their children neither to walk after the customs.