What promises does God make thru Isaiah about the Holy Spirit and the Messiah? How were these fulfilled?
The prophet Isaiah prophesied that Messiah would be from the lineage of Jesse. The Spirit of God would rest on Him and he would be the embodiment of the seven fold Spirit of wisdom, etc.
Jesus is the fulfilment of all the prophecies of Isaiah. He came from the lineage of Jesse, the Holy Spirit alighted upon him at his baptism in the form of a dove. While on earth he went around doing good by bringing good news to a lost and dying people, he healed, cleansed and delivered mankind from all different kinds of conditions. Jesus comforted those that mourned, liberated the captives, bound up the brokenhearted and brought justice for the poor.