Because every Sunday, going to church, I felt like a complete imbecile. Also, all religions I have observed have been immoral in some way.
"I trust my own reason and my own capacities to think and educate myself and to reach greater levels of knowlege and status through learning and work. To me, wishing for a god is like wishing to be a slave, it is like declaring that one is too incompetent to handle one's own affairs." - the germans are coming
