The apostle Peter likewise, knowing that he and his fellow apostles would not be on hand much longer (2Pe 1:14), able to act as a restraint to the apostate movement instigated by the Devil, counseled Christians to hold fast to their salvation through Christ, ‘keeping their senses completely [literally, being sober perfectly], setting their hope upon the undeserved kindness that was to be brought to them at the revelation of Jesus Christ.’ (1Pe 1:13)