The Song of Songs 8:7

8:7 Surging waters cannot quench love;

floodwaters cannot overflow it.

If someone were to offer all his possessions to buy love,

the offer would be utterly despised.

Ephesians 4:30

4:30 And do not grieve the Holy Spirit of God, by whom you were sealed for the day of redemption.

Ephesians 6:16

6:16 and in all of this, by taking up the shield of faith with which you can extinguish all the flaming arrows of the evil one.