Fundamentalists of different religions have more in common with each other than they do with the moderates of their own religions.
We all behave as though what we think is true, is true.
Believing is easier than thinking; that's why there will always be more believers than thinkers. However, the results of god-belief are often far more mental trials than those of nonbelief. It is quite difficult to ascertain the wishes of an invisible being.
The essence of Christianity, as I see it, is love. The essence of Humanism (and I'm also a Humanist) is love. At that level, we're not far apart.
The world looks like it was designed. Of course, the Sun also looks like it goes around the Earth. It is only thru science that we know that both of these perceptions are wrong.
Most true believers, when faced with evidence that contradicts their beliefs, will hold on to those beliefs even more strongly.
True believers are continually shown by reality that their god doesn't exist, but have developed extensive coping mechanisms to deal with this cognitive dissonance.
There is little difference in the knowledge held by those who can't learn and those who won't.