In classical philosophy, human beings are called “rational animals.” Why so? They are certainly animals with a full range of sentient powers that are, in addition, directly ordered to thinking. Man’s knowing powers include everything about him doing what it is supposed to do. Curiously, we find ourselves existing with a body, sensory powers, and a mind. We did not give ourselves these things. We woke up one morning to find them already there. A major purpose in our lives is to figure out why we exist, or, better, why we exist to know.
Evidently, once men appeared, they all had