How is Jesus connected to Moses throughout the Gospel of Matthew?

Moses and Jesus both come up out of Egypt. Moses and his people crossed the red sea and Jesus got baptized in the Jordan River. Jesus went into the wilderness for 40 days and 40 nights, and the Israelites wandered in the desert for 40 years. Moses gave the 10 commandments; Jesus gave a new law in the Sermon on the Mount. Jesus came to fulfill the law that Moses laid down.

 How was Jesus able to heal all the sick people? (Matthew 8:17)

Jesus was able to remove demons, sin, leprosy and disease because he took it all on himself. He was pierced for our transgressions, he was crushed for our iniquities; (Isaiah 53:5) he paid the price for them. He became sickness, he became sin and so the people were healed.

 Matthew 12:1-8 How does Jesus change the law of keeping the Sabbath from the Mosaic covenant? Jesus references Hosea 6:6, “I desire mercy, and not sacrifice” twice (Matthew 9:13 and 12:7), what does this mean?

The Sabbath was the symbol of the Mosaic covenant. Those had to be put in place because that is how we connected with God. Jesus replaces the ritual of the Sabbath with himself. He doesn’t want the ritual or the religion, he wants our hearts.

Should I really cut my arm off or rip out my eye? (Matthew 5:29)

No. Jesus is getting at the seriousness of sin. He is saying that sin is so bad that you should be willing to give up an arm or an eye rather than spend eternity in Hell. When we understand how bad sin it, it should lead to a greater appreciation for grace.

One of the sections deals with sin in the church. What brought that there? (Matthew 18:7)

These sections give the teaching for church discipline. This gives the guidelines of approaching someone in the church who is sinning. This was in place because we all sin. Sin harms relationships with people. Church is supposed to be a place where we build each other up and sin tears us apart so we need a way to confront that sin.

What are infirmities? (Matthew 8:17)

Sicknesses, diseases

If Jesus was God why did he need to be baptized?

There were 3 purposes for baptism in the Mosaic covenant. They were for cleansing, repentance, and for bringing someone into the family. Jesus fulfilled all of them.

If Jesus was born in Bethlehem why was he called Jesus of Nazareth?

Mary and Joseph were from Nazareth.