Galatians 1:8-9

But even if we or an angel from heaven preach to you good news that contradicts the good news we have preached to you, a curse upon him!

Revelation 3:19

I reprove and discipline all whom I love. So be earnest 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 preach to you good news that contradicts the good news we have preached to you, a curse upon him!

Thou hast disobeyed

Revelation 3:19
I reprove and discipline all whom I love. So be earnest and repent.