What if in the end you realize there is nothing like heaven

God is worthy of our worship and adoration simply because He is God, not because of anything He has done. I believe in God because God, as the supreme good, is the center of adoration and love. I believe if you remove the promise of a reward from the Christian concept, most believers, those who would become Christians under the current biblical concept of heaven and hell, would not become Christians if the concept of reward (heaven) were removed. Which would mean that people don't believe in God simply because He is God, but because of what He has to offer as a reward (heaven)? We should believe in God because he is God not because of heaven or hell. Even if my question turns out to be true I will have nothing to lose because I will have lived a righteous life and that in essence cushion me from spurious believes of this world. and that is my take