The truth of the fruit of the Spirit is demonstrated in the lives of believers who exhibit these characteristics as evidence of the Holy Spirit's work within them.
The assurance of the fruit of the Spirit lies in its manifestation in the lives of believers. As stated in Galatians 5:22-23, these attributes are produced by the Holy Spirit, and their presence acts as a testament to the transformative work of God in a person's heart. The believer's life will naturally reflect these qualities, serving as visible evidence that they are part of the new creation in Christ, as per 2 Corinthians 5:17. Moreover, the consistency of these traits in the believer's life reinforces their authenticity. The fruit of the Spirit opposes the works of the flesh, which is why a true believer will exhibit the fruit despite their imperfections and struggles, growing progressively in these graces throughout their life.
Scripture References:
Galatians 5:22-23, 2 Corinthians 5:17, John 15:16, John 3:6, Ephesians 5:9
Commentary