'Unless' in the Bible

Remember therefore from where you have fallen, and repent and do {the works you did at first}. But if you do not, I am coming to you, and I will remove your lampstand from its place, unless you repent.

Behold, I am throwing her into a sickbed and those who committed adultery with her into great affliction, unless they repent from her deeds.

And it was given to him to put breath into the image of the beast, in order that the image of the beast both spoke and caused that all those, unless they worshiped the image of the beast, should be killed.