If you believe in it, Christ’s Resurrection guarantees your eternal life on the perfect New Earth.
1 Peter 1:3-4 – “All praise to God, the Father of our Lord Jesus Christ. It is by his great mercy that we have been born again, because God raised Jesus Christ from the dead. Now we live with great expectation, and we have a priceless inheritance—an inheritance that is kept in heaven for you, pure and undefiled, beyond the reach of change and decay.”