When you stop to think eternity is at stake, do you ever question if you are really a Christian?

Kevin DeYoung with wise counsel regarding assurance of salvation.

Whenever counseling Christians looking for assurance of salvation, I take them to 1 John. This brief epistle is full of help for determining whether we are in the faith or not. In particular, there are three signs in 1 John given to us so we can answer the question “Do I have confidence or condemnation?”

The first sign is theological. You should have confidence if you believe in Jesus Christ the Son of God (5:11-13).  John doesn’t want people to be doubting.  God wants you to have assurance, to know that you have eternal life.  And this is the first sign, that you believe in Jesus.  You believe he is the Christ or the Messiah (2:22).  You believe he is the Son of God (5:10).  And you believe that Jesus Christ has come in the flesh (4:2).  So if you get your theology wrong about Jesus you will not have eternal life.  But one of the signs that should give you confidence before God is that you believe in his only Son Jesus Christ our Lord (4:14-16; 5:1, 5).

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