"Notable Signers". Humanism and Its Aspirations. American Humanist Association. Archived from the original on October 5, 2012. Retrieved October 2, 2012.
"[T]here ain't no experiment that could be done nor is there any observation that could be made that would say, `You guys are wrong.' The theory is safe, permanently safe." He also said, "Is this a theory of Physics or Philosophy? I ask you" NOVA interviewArchived 2011-08-30 at the Wayback Machine
"[T]here ain't no experiment that could be done nor is there any observation that could be made that would say, `You guys are wrong.' The theory is safe, permanently safe." He also said, "Is this a theory of Physics or Philosophy? I ask you" NOVA interviewArchived 2011-08-30 at the Wayback Machine
"Notable Signers". Humanism and Its Aspirations. American Humanist Association. Archived from the original on October 5, 2012. Retrieved October 2, 2012.