Differences Between John and the Synoptics

In this sub-thread I’m trying to explain why I do not use the fourth Gospel extensively in trying to decide what Jesus actually taught (specifically about the afterlife, but about much of anything else as well).   One of the main issues involves the differences between John and the three Synoptic Gospels (all of them earlier than John), Matthew, Mark, and Luke.   Here I discuss one aspect of these differences: at the very fundamental level, John simply has Jesus say and do different things th...