Deuteronomy 5:2

5:2 The Lord our God made a covenant with us at Horeb.

Psalms 25:10

25:10 The Lord always proves faithful and reliable

to those who follow the demands of his covenant.

Psalms 103:17-18

103:17 But the Lord continually shows loyal love to his faithful followers,

and is faithful to their descendants,

103:18 to those who keep his covenant,

who are careful to obey his commands.

Isaiah 56:4

56:4 For this is what the Lord says:

“For the eunuchs who observe my Sabbaths

and choose what pleases me

and are faithful to my covenant,

Jeremiah 31:31-33

31:31 “Indeed, a time is coming,” says the Lord, “when I will make a new covenant with the people of Israel and Judah. 31:32 It will not be like the old covenant that I made with their ancestors when I delivered them from Egypt. For they violated that covenant, even though I was like a faithful husband to them,” says the Lord. 31:33 “But I will make a new covenant with the whole nation of Israel after I plant them back in the land,” says the Lord. “I will put my law within them and write it on their hearts and minds. I will be their God and they will be my people.