Richard Feynman? Daniel Dennett? J. J. Hahn? Arthur
Bloch? Apocryphal? Anonymous?

Question for Quote Investigator: Here are two instances from a family of sayings about questions and answers:
(1) Philosophy is questions that may never be answered. Religion is answers that may never be questioned.
(2) I would rather have questions that can’t be answered than answers which can’t be questioned.
The first item has been attributed to the prominent philosopher Daniel Dennett, and the second item has been credited to the notable theoretical physicist Richard Feynman. I have been unable to find solid citations, and I have become skeptical. Would you please help me to trace these sayings?
Reply from Quote Investigator: Daniel Dennett did include the first saying above in his 2006 book “Breaking the Spell: Religion as a Natural Phenomenon”; however, Dennett specified an anonymous attribution, and the saying was already in circulation by 1995.
QI and other researchers have not found any substantive evidence that Richard Feynman employed the second saying above. Feynman died in 1988, and he received credit by 2014. QI conjectures that the second saying evolved from the first saying.
The earliest match for the first saying located by QI appeared in the Usenet newsgroup alt.atheism on January 16, 1995 within a message posted by J. J. Hahn whose e-mail address indicated an affiliation with the University of Minnesota. Hahn placed the saying in a signature block; hence, it occurred in many of their messages. Boldface added to excerpts by QI:1
Philosophy is questions that may never be answered.
Religion is answers that may never be questioned.
J. J. Hahn is the primary candidate for creator of this saying although it is possible Hahn was simply repeating an expression that was already circulating.
Below are additional selected citations in chronological order.
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