[[Karl Popper]], leading philosopher of science and originator of the idea of [[Falsifiability as a Criterion of Demarcation of Science from Nonscience|falsifiability as a criterion of demarcation of science from nonscience]], said:<ref>{{hnb|Popper|1976|p=168}}</ref><ref name="popper">http://members.iinet.net.au/~sejones/PoE/pe05scnc.html</ref> | [[Karl Popper]], leading philosopher of science and originator of the idea of [[Falsifiability as a Criterion of Demarcation of Science from Nonscience|falsifiability as a criterion of demarcation of science from nonscience]], said:<ref>{{hnb|Popper|1976|p=168}}</ref><ref name="popper">http://members.iinet.net.au/~sejones/PoE/pe05scnc.html</ref> |