I'm sorry you don't have Faith that what Jesus Christ told us is true.
John 11:25 Jesus said to her, "I am the resurrection and the life. He who believes in Me, though he may die, he shall live.
The one constant in the EOC and the RCC is fear. From day to day you are never sure if you've done enough, or believed enough.
You know, I said "We only know that we can be, and hope that we will be," and 1 Peter 1:3 seconds that
Not assurance, but "living hope."
But, then, again, there are at leats a dozen different "salvational formulas" in the NT. Every Christian group will find one that suits their particular belief.
John was written at the end of the century. It is curious that the other three Gospels make no mention of this. After all, it is a such a powerful statement, that surely everyone whould have remembered it. However, that's not the case.
But, if God is life, then it doesn't matter what you theology is; what matters is how Christ-like you are.