Romans 2:5
But your stubbornness and refusal to repent are storing up wrath [i.e., punishment] for yourselves, [to be experienced] on the Day of Wrath [i.e., the day of judgment] when God's just judgment will be revealed.
Romans 3:4-6
But let God be truthful, [even if] everyone [else] is a liar. For it is written [Psa. 51:4], "[God], you should be proven right when you speak, and win [your case] when put on trial."
Revelation 15:3
And they were singing the song of Moses, the servant of God, and the song of the Lamb. [The words were], "Your deeds are great and marvelous, O Lord, God Almighty; your ways are just and true, O King of the nations [or, "ages"].
Revelation 16:7
And I heard [a voice from] the Altar saying, "Yes, O Lord, God Almighty, your judgments are true and just."