The notion that "God" is something that must be believed or disbelieved is a "natural" one; however in the case of the subject in question, belief or disbelief is actually an aberration or a discontinuity in one's "relationship" to the subject.
That is to say, the requirement is itself an illusion: God does not "require" any such thing. The idea that we are required to believe our own notion is anathema. You are not, and God is not an idea. You can believe ideas are ideas, sure; the idea that an idea is required, is not something I tend to believe can ever be true, since I have no idea what God really is and nor do I expect to have such an idea.
That is to say, the requirement is itself an illusion: God does not "require" any such thing. The idea that we are required to believe our own notion is anathema. You are not, and God is not an idea. You can believe ideas are ideas, sure; the idea that an idea is required, is not something I tend to believe can ever be true, since I have no idea what God really is and nor do I expect to have such an idea.