“The fruit of the Spirit is the only satisfactory evidence of a man or woman being a true Christian. The disciple that ‘abides in Christ,’ like a branch abiding in the vine, will always bear fruit. Repentance toward God, faith in our Lord Jesus Christ, holiness of life and conduct – these are what the New Testament calls ‘fruit’. Where these things are lacking, it is vain to talk of possessing dormant grace and spiritual life.”
J C Ryle