Romans 2:5
The fact is that in the stubbornness of your impenitent heart you are treasuring up against yourself anger on the day of Anger--the day when the righteousness of God's judgements will stand revealed.
Romans 3:5-6
But if our unrighteousness sets God's righteousness in a clearer light, what shall we say? (Is God unrighteous--I speak in our everyday language-- when He inflicts punishment?
Romans 9:14
What then are we to infer? That there is injustice in God?
Revelation 15:3-4
And they were singing the song of Moses, God's servant, and the song of the Lamb. Their words were, "Great and wonderful are Thy works, O Lord God, the Ruler of all. Righteous and true are Thy ways, O King of the nations.
Revelation 16:7
And I heard a voice from the altar say, "Even so, O Lord God, the Ruler of all, true and righteous are Thy judgments."
Revelation 19:2
True and just are His judgments, because He has judged the great Harlot who was corrupting the whole earth with her fornication, and He has taken vengeance for the blood of His bondservants which her hands have shed."