One we get as a gift but the reward we must earn. The position of responsibility in the Kingdom of God. Some will see through the glass darkly or will some see more clearly than others. We will only choose the level or reward that we understand. An attempt to go farther would cause confusion.
Man learns in a progressive way which requires the proper prerequisites.
We must do the will of the Father to be saved. We Can Know Our Fathers Will. If we have to endure to the end to be saved it evidently is to take place at some future time. The claim of being saved could be a little presumptuous. That is taking a liberty that we may or may not be worthy of.