Galatians 1:8-9

But even if we or an angel from heaven should preach a gospel to you contrary to that which we preached to you, let him be accursed!

Revelation 3:19

As many as I love, I rebuke and chasten. Be zealous therefore, and repent.

Treasury of Scripture Knowledge

Summary

And he cried unto the man of God that came from Judah, saying, Thus saith the LORD, Forasmuch as thou hast disobeyed the mouth of the LORD, and hast not kept the commandment which the LORD thy God commanded thee,

Thus saith

Thou hast disobeyed

Bible References

Thus saith

Galatians 1:8
But even if we or an angel from heaven should preach a gospel to you contrary to that which we preached to you, let him be accursed!

Thou hast disobeyed

Revelation 3:19
As many as I love, I rebuke and chasten. Be zealous therefore, and repent.