Malachai 3:1 refers to John as the message of the Christ.
Matthew 11:10 to the scripture of Malachai 3:1 and prophesies God will send a messanger John was that messanger compare Malachai to Matthew 11:10 Jesus said John is the messanger thus he prophasied from the old testiment that John was the messanger to prepare the way of the Lord. John the Baptist said in Matthew 3:3 to prepare the way of the Lord. John is the messanger of the convenant mentioned in Malachai 3:1 God spoke in the old testiment that he would appear thus John told them the Christ had came.
Malachai 3:1: Behold, I will send my messenger, and he shall prepare the way before me: and the Lord, whom ye seek, shall suddenly come to his temple, even the messenger of the covenant, whom ye delight in: behold, he shall come, saith the Lord of hosts.
Matthew 11:10: For this is he, of whom it is written, Behold, I send my messenger before thy face, which shall prepare thy way before thee.
Mark 1:2: As it is written in the prophets, Behold, I send my messenger before thy face, which shall prepare thy way before thee.
Luke 7:27: This is he, of whom it is written, Behold, I send my messenger before thy face, which shall prepare thy way before thee.
The following passage is from the prophet Isaiah. It predicts the birth of a child to a human mother. But, this would be no ordinary child. Rather, this child would be the Son of the Almighty God. The word "Immanuel" comes from the Hebrew word " ," which means "God is with us."
Therefore the Lord himself shall give you a sign; Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel. Isaiah 7:13Corinthians 13:1 This is the third time I am coming to you. In the mouth of two or three witnesses shall every word be established.
Matthew 3:3
For this is he that was spoken of by the prophet Esaias, saying, The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.
Jesus did not destroy the laws of the testiment but rather completed the prophecy of a Messiah and he said,"Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil."~Matthew 5:17.