When the Bible quotes Jesus as saying I am the way, no one gets to the father except through me? We take that to mean that eventually, God will say, "Okay, it's time, go save everybody, it's time for death, destruction and sorrow to come to an end." Believing in God or Jesus isn't necessary. As if God can't understand your doubts. God's love is bigger than your doubts.
Here is an excellent articleon Universalim in the early church and link to the book it's based on: