"The tragedy of man is that he has developed an intelligence eager to uncover mysteries, but not strong enough to penetrate them. With minds but slightly evolved beyond those of our animal relations, we are tortured with precocious desires to pose questions which we are sometimes capable of asking, but rarely able to answer." ----Hans Zinsser
"A little philosophy inclineth man’s mind to atheism; but depth in philosophy bringeth men’s minds about to religion”—-Francis Bacon
The following links will connect to YouTube slide shows, each of which lasts about 15 minutes, that explain stress theory and the operation of the mammalian stress mechanism.