Revelation 20:10

that deceived--Greek, "that deceiveth." lake of fire--his final doom: as "the bottomless pit" (Rev 20:1) was his temporary prison. where--so Coptic. But A, B, Vulgate, and Syriac read, "where also." the beast and the false prophet are-- (Rev 19:20). day and night--figurative for without intermission (Rev 22:5), such as now is caused by night interposing between day and day. The same phrase is used of the external state of the blessed (Rev 4:8). As the bliss of these is eternal, so the woe of Satan and the lost must be. As the beast and the false prophet led the former conspiracy against Christ and His people, so Satan in person heads the last conspiracy. Satan shall not be permitted to enter this Paradise regained, to show the perfect security of believers, unlike the first Adam whom Satan succeeded in robbing of Paradise; and shall, like Pharaoh at the Rod Sea, receive in this last attempt his final doom. for ever and ever--Greek, "to the ages of the ages."

— Jamieson-Fausset-Brown Commentary (public domain)