Isaiah 44 promises God's Spirit poured upon His people, part of the prophetic expectation of renewed covenant blessing.

The fulfillment passages listed here (John 16:7-13) illuminate the Christian application summarized as "He will send the Spirit of God." The correspondence is meaningful within the New Testament portrait of Jesus, but where the New Testament does not explicitly quote this exact Isaiah verse as fulfilled, it is best described as a theological or messianic correspondence rather than claiming more precision than the biblical writers themselves state.