All [atheists] have seen is the inside of a dead Catholic church or the hypocrisy of the money-hungry 'prosperity gospel' version of Christianity we … - Ray Comfort

… the Catholic Church didn't get their information from the Bible (it was a banned Book).

When I look at a building, how can I know there was a builder? Can't see him, hear him, touch him, taste him or smell him, so how can I know there was a builder? Well, the building is absolute proof there was a builder. I couldn't want better proof that there was a builder than to have the building as evidence. I don't need faith to believe in a builder, all I need is eyes that can see and a brain that works. Now the same deep, rich, scientific principle works with paintings and painters.... And the same principle works with God. When I look at Creation how can I know there was a creator? Well, creation is absolute proof there was a creator. I don't need faith to believe in a creator, all I need is eyes that can see and a brain that works.

Cain simply married a distant sister.