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How do I know that I fully believe in Jesus?


Thank you so much for your honest spiritual enquiry about believing in Jesus.

A true believer is someone who has repented of their life without God and all its sinful rebellion, put their complete trust and hope in the death of the Lord Jesus Christ to atone with God for their sin, and have genuinely surrendered their lives to Jesus Christ as Lord and Saviour. When this happens, there are usually a number of the following evidences in our lives. The test of true conversion is not that we score 100% on each one, but rather that they are really there to some definite degree as evidence of spiritual life.

Firstly, there will normally be a witness in our spirit from the Holy Spirit to this fact. The apostle Paul writes that you have received the Spirit of adoption as sons, by whom we cry, "Abba! Father!" The Spirit himself bears witness with our spirit that we are children of God, and if children, then heirs—heirs of God and fellow heirs with Christ, provided we suffer with him in order that we may also be glorified with him (Romans 8:15-17).

There are usually three explanations if we don't experience this spiritual confidence: (a). a small minority of people suppress their inner feelings so very much that they do not trust even a spiritual experience; (b). some sinful practice in our lives makes us unable to feel God's presence; (c). we have not really been converted.

Secondly, there will be a hunger and a thirst to know more of God, of the things of God and of His Word. The writer of the Psalms tells of his own experience in this when he writes as a deer pants for flowing streams, so pants my soul for you, O God. My soul thirsts for God, for the living God. (Psalm 42:1-2). And the prophet Jeremiah tells us your words were found, and I ate them, and your words became to me a joy and the delight of my heart, for I am called by your name, O Lord, God of hosts. (Jeremiah 15:16).

If we are truly His disciples, we will care about the things that God cares about, seeking His Kingdom above all else. We will want to obey Him and know His pleasure, allowing His desires to become ours.

Thirdly, we will manifest the fruit of the Spirit. But the fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, self-control; against such things there is no law. (Galatians 5:22-23). In the previous seven verses of Galatians chapter 5, the apostle Paul outlines the ‘fruit’ of walking in the flesh, which all believers may exhibit when not in fellowship with God. However, if we truly know Christ, and are walking in the Spirit, we will consistently exhibit the fruit of the Spirit and especially that of love for our brothers and sisters in Christ. See John 13:34-36.

Fourthly, we will receive one or another (often more than one!) gift of the Spirit. In 1 Corinthians 12, the apostle Paul outlines the spiritual gifts given to individuals when they are born again, to operate within, and for the benefit of the body of Christ. These gifts become evident as we function as part of a local church by serving and worshipping with others - in fact, it often happens that others see them in us before we do.

Finally, if we are walking with God we will be witnesses to Him. Jesus’ last words to His disciples were "All authority in heaven and on earth has been given to me. Go therefore and make disciples of all nations, baptising them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age". (Matthew 28:18-20). If we truly know the Lord Jesus Christ we will want to tell others, indeed, it will be 'natural' to us, like the apostles when they were warned by the authorities to stop preaching about Christ: But Peter and John answered them, "Whether it is right in the sight of God to listen to you rather than to God, you must judge, for we cannot but speak of what we have seen and heard." (Acts 4:19-20)

In summary if we truly know Christ then we will normally have some real evidence: the inner witness of God the Holy Spirit, such as a sense of peace with God or joy in our salvation; we will begin to walk in the gifts of the Spirit; we will see in ourselves some real fruit of the Spirit; we will be witnesses to Him in the world. I encourage you to seek God through Jesus Christ so that you can see these evidences becoming more evident in your life, and that you can know that you fully believe in Jesus.

Here are some more Bible Verses for your further consideration:

  • Matthew 6:33
  • Ephesians 5:8-1
  • Acts 1:8

I hope this answer helps you to find peace with God through Jesus Christ. If you want to know more about what Jesus has done for you please watch the video on the main part of our site: Watch the video

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*All Scripture references are taken From The English Standard Version of the Holy Bible unless stated otherwise

*If anything in this answer affects you directly, then please feel free to call our confidential prayer line in the UK on 0845 4567729, where trained Christian volunteers will take your call and pray both for you and with you. If you are outside of the UK then you may submit your request for prayer on line at

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