Romans 2:2
and we know that God's judgement against those who commit such sins is in accordance with the truth.
Acts 17:31
seeing that He has appointed a day on which, before long, He will judge the world in righteousness, through the instrumentality of a man whom He has pre-destined to this work, and has made the fact certain to every one by raising Him from the dead."
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 3:4-5
No, indeed; let us hold God to be true, though every man should prove to be false. As it stands written, "That Thou mayest be shown to be just in the sentence Thou pronouncest, and gain Thy cause when Thou contendest."
Romans 9:14
What then are we to infer? That there is injustice in God?
2 Thessalonians 1:5-10
For these are a plain token of God's righteous judgement, which has in view your being deemed worthy of admission to God's Kingdom, for the sake of which, indeed, you are sufferers.
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 16:5
And I heard the angel of the waters say, "Righteous art Thou, who art and wast, the holy One, because Thou hast thus taken vengeance.
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."