As the time of His crucifixion drew near, Jesus explained to His disciples why He had to depart and promised to send a Helper: the Holy Spirit. Contrary to some misunderstandings, this Holy Spirit is no mere force; He is a person who has been active since creation. Walking us through the activity of the third person of the Trinity, Alistair Begg explains that it is the work of God’s Spirit poured out on God’s people that conforms us to the image of His Son, Jesus Christ.