Faithful God

Deuteronomy 7:9English Standard Version (ESV)

9 Know therefore that the Lord your God is God, the faithful God who keeps covenant and steadfast love with those who love him and keep his commandments, to a thousand generations,

Psalm 86:15English Standard Version (ESV)

15 But you, O Lord, are a God merciful and gracious,
    slow to anger and abounding in steadfast love and faithfulness.

Zechariah 8:8English Standard Version (ESV)

8 and I will bring them to dwell in the midst of Jerusalem. And they shall be my people, and I will be their God, in faithfulness and in righteousness.”