Know therefore that the LORD your God is God, the faithful God who keeps His covenant of loving devotion for a thousand generations of those who love Him and keep His commandments.
KJV
Know therefore that the LORD thy God, he [is] God, the faithful God, which keepeth covenant and mercy with them that love him and keep his commandments to a thousand generations;
ASV
Know therefore that Jehovah thy God, he is God, the faithful God, who keepeth covenant and lovingkindness with them that love him and keep his commandments to a thousand generations,