Deuteronomy 7:3

7:3 You must not intermarry with them. Do not give your daughters to their sons or take their daughters for your sons,

Deuteronomy 23:3

23:3 An Ammonite or Moabite may not enter the assembly of the Lord; to the tenth generation none of their descendants shall ever do so,

Deuteronomy 23:1

Purity in Public Worship

23:1 A man with crushed or severed genitals may not enter the assembly of the Lord.

Deuteronomy 11:1-2

Reiteration of the Call to Obedience

11:1 You must love the Lord your God and do what he requires; keep his statutes, ordinances, and commandments at all times. 11:2 Bear in mind today that I am not speaking to your children who have not personally experienced the judgments of the Lord your God, which revealed his greatness, strength, and power.