Richard Feynman, offering amazing insight, back in 1981:
HT: Luboš Motl.
Sadly, not much has changed for social sciences in the intervening three and a half decades, where if the series of fresh junk science examples that we compiled during the last six months of 2016 is any indication, the same problems that Feynman noted back in 1981 are still pervasive in these fields - and the reason why is still the same: it takes much less effort to generate junk science than the care and attention it takes to generate the real thing!