Deuteronomy 4:7

4:7 In fact, what other great nation has a god so near to them like the Lord our God whenever we call on him?

Deuteronomy 16:10

16:10 Then you are to celebrate the Festival of Weeks before the Lord your God with the voluntary offering that you will bring, in proportion to how he has blessed you.

Deuteronomy 20:18

20:18 so that they cannot teach you all the abhorrent ways they worship their gods, causing you to sin against the Lord your God.