A85: To escape the wrath and curse of God due to us for sin, God requireth of us faith in Jesus Christ, repentance unto life, with the diligent use of all the outward means whereby Christ communicateth to us the benefits of redemption.

For further study see:

1. WSC 14:  What is sin?
2. WSC 15: What was the sin whereby our first parents fell from the estate wherein they were created?
3. WSC 18: Wherein consists the sinfulness of that estate whereinto man fell?
4. WSC 20: Did God leave all mankind to perish in the estate of sin and misery?
5. WSC 84: What doth every sin deserve?
6. WSC 85: What doth God require of us, that we may escape his wrath and curse due to us for sin?
7. WLC 24: What is sin?
8. WLC 25: Wherein consists the sinfulness of that estate whereinto man fell?
9. WLC 26: How is original sin conveyed from our first parents unto their posterity?
10. WCF CHAPTER 6: Of the Fall of Man, of Sin, and of the Punishment Thereof