Sin is ignorance. This is well known Socratic definition of sin which, like everthing Socratic, is an opinion always worthy of attention. The difficulty with the Socratic definition is that it leaves undetermined how ignorance itself is to be more precisely understood, the question of its origin, ect. That is to say. even if sin be ignorance(or what Christianity would perhaps prefer to call stupidity), which in one sense cannot be denied we have to ask, is this an original ignorance, it is always the case that one has not known and hitherto could not know anything about the truth, or is it a superinduced, a subsequent ignorance? If it is the last question implies, then sin must have