If faith is what you have to go on, if faith is the link between your beliefs and the world at large, your beliefs are very likely to be wrong. Beliefs can be right or wrong. If you believe you can fly, that belief is only true if indeed you can fly. Somebody who thinks he can fly, and is wrong about it, will eventually discover there's a problem with his view of the world.

It is important to realize that our inability to answer a question says nothing about whether the question itself has an answer.

The faith of religion is belief on insufficient evidence.

Most of us are wiser than we may appear to be. … On one level, wisdom is nothing more profound than an ability to follow one’s own advice.

Martin Luther and John Calvin advocated the wholesale murder of heretics, apostates, Jews, and witches.

Death is, in some ways, unacceptable. It's just an astonishing fact of our being here that we die; but I think worse than that is if we live long enough, we lose everyone we love in this world. I mean people die and disappear, and we're left with this stark mystery: just the sheer not knowing of what happened to them.

[I]t is difficult to imagine a set of beliefs more suggestive of mental illness than those that lie at the heart of many of our religious traditions.