so that no one can buy or sell unless they have the mark, which is the name of the beast or the number of its name.
In context
15It was allowed to give breath to the image of the beast, so that the image of the beast could even speak, and could cause anyone who would not worship the image of the beast to be killed. 16It also forces everyone, small and great, rich and poor, free and slave, to be given a mark on their right hand or on their forehead, 17so that no one can buy or sell unless they have the mark, which is the name of the beast or the number of its name. 18This calls for wisdom. Let the one who has understanding calculate the number of the beast, for it is the number of a man, and his number is six hundred sixty-six.
