Acts 8:21

Thou hast neither part nor lot in this matter: for thy heart is not right before God.

James 1:8

A double-minded man is unstable in all his ways.

James 4:8

Draw nigh to God and he will draw nigh to you: cleanse your hands, ye sinners, and purify your hearts, ye double-minded.

Treasury of Scripture Knowledge

Summary

And he did that which was right in the sight of the LORD, but not with a perfect heart.

Bible References

But not

Acts 8:21
Thou hast neither part nor lot in this matter: for thy heart is not right before God.
James 1:8
A double-minded man is unstable in all his ways.
James 4:8
Draw nigh to God and he will draw nigh to you: cleanse your hands, ye sinners, and purify your hearts, ye double-minded.