Jesus taught his disciples that they should be persevere in prayer and not lose heart (Luke 18:1-8). The basis of that persistence is the character and nature of God. He is good and gives good gifts to his children. But the implied urgency is that Satan is evil and dedicated to our destruction.
So just as Satan never gives up, neither should we. Ours will be the victory in the end. Ours will be the joy at the last. We will celebrate with angels, archangels, and all the company of heaven. We must not let down our guard and allow Satan to prevail.
