I have written to you, fathers, because you know him who is from the beginning. I have written to you, young men, because you are strong, and the word of God remains in you, and you have overcome the evil one.

 In this verse we meet the conception of Antichrist. Antichrist is a word which occurs only in John's letters in the New Testament ( 1 John 2:22; 1 John 4:3; 2 John 1:7); but it is the expression of an idea which is as old as religion itself. 