Deuteronomy 6:18

18 And do what is upright and good in the eyes of the Lord your God, so that it may be well for you and you may go in and take for your heritage that good land from which the Lord undertook by an oath to your fathers,

Deuteronomy 6:18 Meaning and Commentary

Deuteronomy 6:18

And thou shalt do that which is right and good in the sight of
the Lord
And what is such appears from the declaration of his mind and will in the commandments he has given, and obeying which is therefore doing what is right and good; for his commandment is holy, just, and good, being agreeable both to his nature and will, ( Romans 7:12 ) that it may be well with thee; as it is with those that fear God, and keep his commandments:

and that thou mayest go in and possess the good land which the Lord
sware unto thy fathers;
to give to them and to their posterity, even the land of Canaan; but if they did not what was right and good in the sight of God, they might expect to be kept out of it, as their immediate parents were, whose carcasses fell in the wilderness.

Deuteronomy 6:18 In-Context

16 Do not put the Lord your God to the test as you did in Massah.

17 Keep with care the orders of the Lord your God, and his rules and his laws which he has given you;

18 And do what is upright and good in the eyes of the Lord your God, so that it may be well for you and you may go in and take for your heritage that good land from which the Lord undertook by an oath to your fathers,

19 To send out from before you all those who are against you.

20 And when your son says to you in time to come, What is the reason for these rules and laws and decisions which the Lord our God has given you?