"And they overcame him (Satan) because of the blood of the Lamb and because of the word of their testimony, and they did not love their life even when faced with death."
--- Revelation 12:11 NASB
"To him who overcomes, I will grant to eat of the tree of life which is in the Paradise of God." --- Revelation 2:7 NASB
"He who overcomes will not be hurt by the second death." --- Revelation 2:11 NASB
"To him who overcomes, to him I will give some of the hidden manna, and I will give him a white stone, and a new name written on the stone which no one knows but he who receives it." --- Revelation 2:17 NASB
"He who overcomes, and he who keeps My deeds until the end, to him I will give authority over the nations;" --- Revelation 2:26 NASB
"He who overcomes will thus be clothed in white garments; and I will not erase his name from the book of life, and I will confess his name before My Father and before His angels." --- Revelation 3:5 NASB
"He who overcomes, I will make him a pillar in the temple of My God, and he will not go out from it anymore; and I will write on him the name of My God, and the name of the city of My God, the new Jerusalem, which comes down out of heaven from My God, and My new name." --- Revelation 3:12 NASB
"He who overcomes, I will grant to him to sit down with Me on My throne, as I also overcame and sat down with My Father on His throne." --- Revelation 3:21 NASB
"He who overcomes will inherit these things, and I will be his God and he will be My son." --- Revelation 21:7 NASB
Jesus encourages and comforts us concerning end times by reminding us of His finished work on the cross.
Jesus says, "These things I have spoken to you, so that in Me you may have peace. In the world you have tribulation, but take courage; I have overcome the world." --- John 16:33 NASB
And the Apostle John explains how we, as God's children, are able to overcome Satan:
"You are from God, little children, and have overcome them; because greater is He who is in you than he who is in the world." --- 1 John 4:4 NASB
"For whatever is born of God overcomes the world; and this is the victory that has overcome the world-our faith." --- 1 John 5:4 NASB
"Who is the one who overcomes the world, but he who believes that Jesus is the Son of God?" --- 1 John 5:5 NASB