Matthew gives us some great apologetic arguments to believe that God exists using the argument of morality.

Apologetics 101

Morality and God's Existence

In 1 Peter 3:15 we are told to: “Always be prepared to give an answer to everyone who asks you to give the reason for the hope that you have.” Scripture exhorts us to be fluent in apologetics. In this world of postmodernism, our faith in Christ is being questioned more than ever before in history, in response God has raised a standard and has given us more evidence for our faith than ever before. Apologetics 101

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Apologetics 101