Acts 28:22

Having your conversation honest among the Gentiles: that, whereas they speak against you as evildoers, they may by your good works, which they shall behold, glorify God in the day of visitation.

But this I confess unto thee, that after the way which they call heresy, so worship I the God of my fathers, believing all things which are written in the law and in the prophets:

Having a good conscience; that, whereas they speak evil of you, as of evildoers, they may be ashamed that falsely accuse your good conversation in Christ.

Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.

Then the high priest rose up, and all they that were with him, (which is the sect of the Sadducees,) and were filled with indignation,

And Simeon blessed them, and said unto Mary his mother, Behold, this child is set for the fall and rising again of many in Israel; and for a sign which shall be spoken against;

But there rose up certain of the sect of the Pharisees which believed, saying, That it was needful to circumcise them, and to command them to keep the law of Moses.

For there must be also heresies among you, that they which are approved may be made manifest among you.