Matthew
Matthew's main purpose in writing his Gospel (the "good news") is to prove to his Jewish readers that Jesus is their Messiah. He does this primarily by showing how Jesus in his life and ministry fulfilled the Old Testament Scriptures.
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But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things,
and bring all things to your remembrance, whatsoever I have said unto you. John 14:26