"And the Lord God commanded the man, saying, 'Of every tree of the garden you may freely eat; but of the tree of the knowledge of good and evil you shall not eat, for in the day that you eat of it you shall surely die.'" -Genesis 2:16
"That was the birth of sin. Not doing it, but KNOWING about it. Before the apple, [Adam and Eve] had shut their eyes and their minds had gone dark. Now, they peeped and pried and imagined. They watched themselves." -D.H. Lawrence
Adam and Eve were tempted not by the Tree of Life, but by the Tree of Knowledge. Their desire to taste the "forbidden fruit" of this tree resulted in expulsion from Paradise.
Satan/Lucifer declared it "Better to reign in hell than serve in heav'n." (John Milton, Paradise Lost).
Another "light-bearer", Prometheus, risked the ire of Zeus to bring the secret of kindling fire to mortals - and suffered daily torment as a punishment.
The mythologies of many cultures warn men of the consequences of seeking to know that which is hidden or forbidden. Does the greater danger lie in recognizing evil or in being unaware of its existence?
Should we be innocent or armed?