וְחַסְדִּ֖י לֹא־יָס֣וּר מִמֶּ֑נּוּ כַּאֲשֶׁ֤ר הֲסִרֹ֙תִי֙ מֵעִ֣ם שָׁא֔וּל אֲשֶׁ֥ר הֲסִרֹ֖תִי מִלְּפָנֶֽיךָ׃
but My mercy shall not depart from him, as I took it from Saul, whom I put away before thee.
Read kabbalistic (mystical) interpretation of II Samuel 7:15: and classical mystical sources.