וְעֹ֤֥שֶׂה חֶ֖֙סֶד֙ לַֽאֲלָפִ֑֔ים לְאֹהֲבַ֖י וּלְשֹׁמְרֵ֥י מצותו [מִצְוֺתָֽי׃] (ס)
and showing mercy unto the thousandth generation of them that love Me and keep My commandments.
Targum Jonathan on Deuteronomy
but keeping mercy and bounty for a thousand generations of the righteous who love Me and keep My mandates and My laws.