The engineer who builds a bridge successfully has more
than a casual impression of the nature of his materials, and
the time has come when we must admit that we cannot solve
the important problems in human affairs with a general
“philosophy of human behavior.”
[pdf http://www.bfskinner.org/BFSkinner/PDFBooksSHB_files/Science_and_Human_Behavior_1.pdf 730 1200]
FÖR GLOBAL HÅLLBARHET OCH FRED