1 Corinthians 11:19

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

Cross References (ranked by relevance)

Titus 3:10 11

A man that is an heretick after the first and second admonition reject;

Acts 20:30

Also of your own selves shall men arise, speaking perverse things, to draw away disciples after them.

Luke 17:1

Then said he unto the disciples, It is impossible but that offences will come: but woe unto him, through whom they come!

Deuteronomy 13:3

Thou shalt not hearken unto the words of that prophet, or that dreamer of dreams: for the LORD your God proveth you, to know whether ye love the LORD your God with all your heart and with all your soul.

Matthew 18:7

Woe unto the world because of offences! for it must needs be that offences come; but woe to that man by whom the offence cometh!

Galatians 5:20

Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies,

Acts 15:5

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.

Acts 5:17

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,

Acts 24:14

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:

Acts 28:22

But we desire to hear of thee what thou thinkest: for as concerning this sect, we know that every where it is spoken against.

Acts 26:5

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

Acts 24:5

For we have found this man a pestilent fellow, and a mover of sedition among all the Jews throughout the world, and a ringleader of the sect of the Nazarenes:

Luke 2:35

(Yea, a sword shall pierce through thy own soul also,) that the thoughts of many hearts may be revealed.