Assurance of Salvation through Faith

And this is the testimony: that God has given us eternal life, and this life is in His Son. He who has the Son has life; he who does not have the Son of God does not have life. These things I have written to you who believe in the name of the Son of God, that you may know that you have eternal life, and that you may continue to believe in the name of the Son of God. (1 John 5:11-13)

If we are to grow in grace, we must live by faith. "Therefore it is of faith that it might be according to grace" (Romans 4:16). If our faith is to develop and mature, we must know where faith comes from. Jesus (and His word) is the source of our faith. "Looking unto Jesus, the author and finisher of our faith…faith comes by hearing, and hearing by the word of God" (Hebrews 12:2 and Romans 10:17). As we get to know our Lord better and better, as we get into His word more and more, our faith grows. As our faith grows, we experience the grace of God more and more. One of the blessings of God's grace is assurance of salvation through faith.
Some people wonder if they are saved. Others hope that they are saved. Still others think that they might be saved. God wants people to know that they are saved. "These things I have written to you who believe in the name of the Son of God, that you may know that you have eternal life." Of course, salvation (the gift of eternal life) is given to those who "believe in the name of the Son of God." This means that they trust in the person and work of Christ. They believe He is God, the Son. They believe He died and rose victorious over sin and death. Many who have entered into salvation are, nonetheless, without assurance of this great gift.
Assurance is imparted through the faithful and true word of God. "And this is the testimony: that God has given us eternal life, and this life is in His Son." The gift of eternal life has truly been provided for by the Lord. However, the Father wants us to be reminded that this eternal life is "in His Son." Everlasting life is not some "packaged blessing" that comes to us separated from Jesus. The life God has for us is found through a dependent relationship with a person, Jesus. If we have Jesus in our lives, we have the life that is found in Him. "He who has the Son has life; he who does not have the Son of God does not have life." If we have invited the Lord into our lives, He now dwells in us. "As many as received Him, to them He gave the right to become children of God" (John 1:12). Jesus gives us assurance of salvation through faith in Him and His word.

Lord Jesus, I thank You for coming into my life when I received You by faith. Therefore, I know that I have eternal life, since that life is in You. Thank You for the grace that brings such assurance through simple faith in You and Your word, Amen.