IMO, in this context the "God" and the "I don't know" is the same answer: with an addition that the cause of everything is a spaceless, timeless, immaterial, po

IMO, in this context the "God" and the "I don't know" is the same answer: with an addition that the cause of everything is a spaceless, timeless, immaterial, powerful, intelligent, personal being, so we at least know something about the first cause. and let call this "thing" "God". but ultimately we don't know the "God" itself, since he's outside of our domain of natural philisophy. so this answer is still "ultimately we don't know". on the other hand the "i don't know at all" standpoint either does not engage with the "spaceless, timeless, immaterial, powerful, intelligent, personal" qualifications, because we can pretty well conclude these - altough not by scientific enquire but philosophicly -, or just refuse to label it. so no, universe and God are not the same kind of mysteries: universe is a miraculous field of riddles you can discover with reason, unlike God.