Ryan Peterson asks:

What is wrong with the argument that one can’t ever be certain that god exists or does not exist, becuase one would essentially need to know everything.

Arg, do you know what argument I’m trying to formulate? Becuase after hours of studying it’s hard to put my finger on it. If you know what I am trying ask…. …..and want to answer it, that would be great… …!

I wasn’t familiar with the argument in question, but some searching quickly lead me to this