The gospel is as simple as A-B-C but so many people are D-E-F!
A “All have sinned and come short of the glory of God.” [Romans 3:23] Because God’s standard is perfection, and heaven is absolutely pure this means that if we commit only one sin it will prohibit us from entering in.
B “Believe on the Lord Jesus Christ and you will be saved.” [Acts 16:31] When I believe that Jesus loved me so much that He died on the cross to pay the penalty my sins deserve then I will be saved (rescued) from the condemnation of sin.
C “If you, Confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved.” [Romans 10:9] To confirm this tell somebody.