Matthew 28:20

teaching them to observe all things whatever I have commanded you: and lo; I am with you all the days, even to the end of the age.

John 14:15

If you love me, keep my commandments;

John 14:21-24

He that has my commandments and keeps them, he it is that loves me; and he that loves me shall be loved by my Father; and I will love him, and will manifest myself to him.

1 John 5:2-3

By this we know that we love the children of God, when we love God, and keep his commandments.

Treasury of Scripture Knowledge

Summary

This day the LORD thy God hath commanded thee to do these statutes and judgments: thou shalt therefore keep and do them with all thine heart, and with all thy soul.

Bible References

Keep

John 14:15
If you love me, keep my commandments;
1 John 5:2
By this we know that we love the children of God, when we love God, and keep his commandments.