Romans 10:5
For Moses wrote [Lev. 18:5] about a person being made right with God by obeying the requirements of the law of Moses, that he would gain [never ending] life for doing this.
Matthew 28:20
[Then] go on teaching them [i.e., these new converts] to obey everything I have commanded you and my presence will be with you always, even to the end of the age.
Luke 1:6
They both did what was right in God's sight [by] living blamelessly according to all the commandments and requirements of the Lord.
John 15:14
You people are my friends if you do what I command you to.