1 Kings 11:4
And it came to pass when Solomon was old, that his wives turned away his heart after other gods; and his heart was not perfect with Jehovah his God, as the heart of David his father.
1 Kings 11:6
And Solomon did evil in the sight of Jehovah, and followed not fully Jehovah, as David his father.
1 Kings 15:3
And he walked in all the sins of his father, which he had done before him; and his heart was not perfect with Jehovah his God, as the heart of David his father.
For their heart was not firm toward him, neither were they stedfast in his covenant.
And even for all this her treacherous sister Judah hath not returned unto me with her whole heart, but with falsehood, saith Jehovah.
but has no root in himself, but is for a time only; and when tribulation or persecution happens on account of the word, he is immediately offended.