A quick qualm…
I’ve noticed a slew of presuppositional apologists on the Internet basing the entirety of their apologetic around the issue of certainty in knowledge.
That has its place. Richard Pratt does something similar here – http://www.amazon.com/Every-Thought-Captive-Defense-Christian/dp/0875523528/ref=sr_1_2?ie=UTF8&qid=1337572150&sr=8-2
But not all knowledge claims are claims to certainty.
And not all knowledge is certain.
Enough about certainty itself though; that is not the subject of this post.
Rather, when the apologist is engaged with an unbeliever it needs to be pointed out not merely that the unbeliever cannot know anything for certain, but that the unbeliever cannot know anything at …
According to John Calvin, “As soon as ever we depart from Christ, there is nothing, be it ever so gross or insignificant in itself, respecting which we are not necessarily deceived.” Perhaps Calvin means only what we have already noted: one who doesn’t know God fails to know the most important truth about anything else. He may mean to go even further, however: perhaps he means to say that those who don’t know God suffer much wider ranging cognitive deprivation and, in fact, don’t really have any knowledge at all. (This view is at any rate attributed (rightly or wrongly) …