Discoveries Are Made By Pursuing Possibilities Suggested

We Know More Than We Can Tell.

The Process Of Philosophic And Scientific Enlightenment Has Shaken The Stability Of Beliefs Held Explicitly As Articles Of Faith.

We Cannot Ultimately Specify The Grounds (either Metaphysical Or Logical Or Empirical) Upon Which We Hold That Our Knowledge Is True. Being Committed To Such Grounds, Dwelling In Them, We Are Projecting Ourselves To What We Believe To Be True From Or Through These Grounds. We Cannot Therefore See What They Are. We Cannot Look At Them Because We Are Looking With Them.

The Amount Of Knowledge Which We Can Justify From Evidence Directly Available To Us Can Never Be Large. The Overwhelming Proportion Of Our Factual Beliefs Continue Therefore To Be Held At Second Hand Through Trusting Others, And In The Great Majority Of Cases Our Trust Is Placed In The Authority Of Comparatively Few People Of Widely Acknowledged Standing.

While Tacit Knowledge Can Be Possessed By Itself, Explicit Knowledge Must Rely On Being Tacitly Understood And Applied. Hence All Knowledge Is Either Tacit Or Rooted In Tacit Knowledge. A Wholly Explicit Knowledge Is Unthinkable.