The Lord Your God Is God And Is Faithful - Deuteronomy 7-8.

7:9 Know therefore that the Lord your God is God; he is the faithful God, keeping his covenant of love to a thousand generations of those who love him and keep his commandments. 10 But

    those who hate him he will repay to their face by destruction;
    he will not be slow to repay to their face those who hate him.

11 Therefore, take care to follow the commands, decrees and laws I give you today.

 8:2 Remember how the Lord your God led you all the way in the wilderness these forty years, to humble and test you in order to know what was in your heart, whether or not you would keep his commands. 3 He humbled you, causing you to hunger and then feeding you with manna, which neither you nor your ancestors had known, to teach you that man does not live on bread alone but on every word that comes from the mouth of the Lord. 4 Your clothes did not wear out and your feet did not swell during these forty years. 5 Know then in your heart that as a man disciplines his son, so the Lord your God disciplines you.

6 Observe the commands of the Lord your God, walking in obedience to him and revering him.