Zoomie, it is not necessary to buy a symbol to get on the mothership but your chances are increased because they then know about you. There is 7 defferent types of aliens that circle around Saturn, the Biaviians, the aliens who have had the most interaction with me are the most influenced by the carrying of the sybmols.
Mosh, it is important to understand that aliens did initially create computers, mostly for their space crafts, the mothership is full of them.
Thrash, some do not know of which they speak, I've nevr been told of a Kolob, or a Mitt, for that matter, but it is possible god, or a god could live on a planet, I don't know which one.