Actually he (Gramsci) never recognized that at all! He was simply parroting the 18th century French Philosophe Jean Jacques Rousseau who imagined that he alone had deciphered, and understood, nature's rules of human behavior. The writings of Rousseau heavily influenced Marx, Ingels, and many others, over the years.
Beyond that, this is a FINE article and a GREAT find!
Thanks for posting it!