9 And they went up over the face of the earth, and made a circle about the tents of the saints, and the well loved town: and fire came down out of heaven for their destruction. 10 And the Evil One who put them in error was sent down into the sea of ever-burning fire, where the beast and the false prophet are, and their punishment will go on day and night for ever and ever.
Matthew Henry's Commentary on Revelation 20:9-10
Commentary on Revelation 20:7-10
(Read Revelation 20:7-10)
While this world lasts, Satan's power in it will not be wholly destroyed, though it may be limited and lessened. No sooner is Satan let loose, than he again begins deceiving the nations, and stirring them up to make war with the saints and servants of God. It would be well if the servants and ministers of Christ were as active and persevering in doing good, as his enemies in doing mischief. God will fight this last and decisive battle for his people, that the victory may be complete, and the glory be to himself.