This chapter is a draft of Chapter VI. in Stabilizing an Unstable Economy: A Twentieth Century Fund Report. New Haven, CT: Yale University Press, 1986. It has the same first sentence/ opening quote, but the documents diverge some from there.
Minsky, Hyman P. Ph.D., "VII. The Current Standard Theory: the Post Keynesian Synthesis" (1986). Hyman P. Minsky Archive. Paper 477.