Seeing it is a just thing with God to repay tribulation to them that trouble you:

Deuteronomy 32:41-43 If I shall whet my sword as the lightning, and my hand take hold on judgment: I will render vengeance to my enemies, and repay them that hate me. . . .

Psalm 74:22,23 Arise, O God, judge thy own cause: remember thy reproaches with which the foolish man hath reproached thee all the day. . . .

Psalm 79:10-12 Lest they should say among the Gentiles: Where is their God? And let him be made known among the nations before our eyes, By the revenging the blood of thy servants, which hath been shed: . . .

Psalm 94:20-23 Doth the seat of iniquity stick to thee, who framest labour in commandment? . . .

Isaiah 49:26 And I will feed thy enemies with their own flesh: and they shall be made drunk with their own blood, as with new wine: and all flesh shall know, that I am the Lord that save thee, and thy Redeemer the Mighty One of Jacob.

Zechariah 2:8 For thus saith the Lord of hosts: After the glory he hath sent me to the nations that have robbed you: for he that toucheth you, toucheth the apple of my eye:

Revelation 6:10 And they cried with a loud voice, saying: How long, O Lord (Holy and True), dost thou not judge and revenge our blood on them that dwell on the earth?

Revelation 11:18 And the nations were angry: and thy wrath is come. And the time of the dead, that they should be judged and that thou shouldest render reward to thy servants the prophets and the saints, and to them that fear thy name, little and great: and shouldest destroy them who have corrupted the earth.

Revelation 15:4 Who shall not fear thee, O Lord, and magnify thy name? For thou only art holy. For all nations shall come and shall adore in thy sight, because thy judgments are manifest.

Revelation 16:5,6 And I heard the angel of the waters saying: Thou art just, O Lord, who art and who wast, the Holy One, because thou hast judged these things. . . .

Revelation 18:20,24 Rejoice over her, thou heaven and ye holy apostles and prophets. For God hath judged your judgment on her. . . .

Revelation 19:2 For true and just are his judgments, who hath judged the great harlot which corrupted the earth with her fornication and hath revenged the blood of his servants, at her hands.