Here are some New Testament scriptures that affirm the importance of keeping God's commandments as a demonstration of loving Him:
1.
John 14:15 - "If you love me, you will keep my commandments."
2.
John 14:21 - "Whoever has my commandments and keeps them, he it is who loves me."
3.
John 15:10 - "If you keep my commandments, you will abide in my love."
4.
1 John 2:3-6 - "And by this we know that we have come to know him, if we keep his commandments... Whoever says 'I know him' but does not keep his commandments is a liar, and the truth is not in him."
5.
1 John 5:2-3 - "By this we know that we love the children of God, when we love God and keep his commandments. For this is the love of God, that we keep his commandments."
6.
Revelation 12:17 - "And the dragon was angry with the woman, and went to make war with the rest of her offspring, who keep the commandments of God and hold to the testimony of Jesus."
7.
Revelation 14:12 - "Here is a call for the endurance of the saints, those who keep the commandments of God and their faith in Jesus."
These scriptures emphasize that loving God is not just a feeling or intellectual assent but is demonstrated through obedience to His commandments. The new covenant is the law/commandments written on the heart