We all run into an atheist from time to time, and I'm sure many of you have some examples of what works and what doesn't work when witnessing with them. The problem I have with atheists isn't that they won't listen, but it is the agressive, foul language attack that follows as they do their best to provoke you! So, I'd like to know what is YOUR most effective come back, or opening to an atheist. You know, that thing you say that sort of puts a ebble in their shoe to make them feel uncomfortable enough to really listen? Are they really hopeless causes, and NOT worth wasting your time on?