abide doesn't mean believe. Fire doesn't necessarily mean hell. It often means temporal wrath. It also refers to bad works being burned up at the judgment seat of Christ. If what you believe is true-then we're all hellbound, because we all sometimes fail to "abide."
The pressure at the center of the earth is estimated to be four million times what it is at the surface, but since it comes from all directions-there is no gravity there.
Two things. God chose to become a man, and take the punishment for all of us. also, he went willingly. Who am I, you, or anyone else-to question what we can't possibly understand?