The greatest “result” Matthew 5:16 "… they may see your good works, and glorify your Father who is in heaven.
Why does the Holy Spirit manifest? To bring glory to the Glorified Christ - "Being at the right hand exalted has shed forth this which you see and hear."
“But what a holy joy must come into our hearts when we grasp the thought that there is a Divine Person, One who never errs, who is willing to take possession of us and impart to us such gifts as He sees best and to use us according to His wise and loving will.
R A Torrey “The Person and Work of the Holy Spirit”