The natural philosophy of the new developments in the sciences is a systems philosophy. When properly articulated, it can give us both factual and normative knowledge. Exploring such knowledge and applying it in determining our future is an opportunity we cannot afford to miss. For if we do not, another chapter of terrestrial evolution will come to an end, and its unique experiment with rational consciousness will be written off as a failure.

p. 120. - Introduction to Systems Philosophy (1972)