¹⁶ It forces everyone—the small and great, the rich and poor, the free and slaves—to have a mark put on their right hand or on their forehead. ¹⁷ It will not allow anyone to make a purchase or sell anything unless the person has the mark with the beast’s name or the number of its name. ¹⁸ This calls for wisdom. Let the one who understands calculate the beast’s number, for it’s a human being’s number. Its number is six hundred sixty-six.