Exodus 20:6
And showing mercy to thousands of them that love me, and keep my commandments.
Torrey's Topical Textbook—AKJV

Deuteronomy 7:9
Know therefore that the LORD your God, he is God, the faithful God, which keeps covenant and mercy with them that love him and keep his commandments to a thousand generations;
Torrey's Topical Textbook—AKJV