Quotes About Determinacy

As modes of being -- for all things are composites of a nature with an "act of being," actus essendi -- things add to being not by bringing to it something extrinsic but, on the contrary, by bringing out of it its intrinsic riches in some determinate way.

One way to explain the complexity and unpredictability of historical systems, despite their ultimate determinacy, is to note that long chains of causation may separate final effects from ultimate causes lying outside the domain of that field of science.