The animated GIF is my favorite type of digital file. It's been around forever, right? It's been around longer than Vine has been a platform for short video clips - that's for sure.* And, what is a Vine but a glorified GIF? So, here is a favorite of mine - some words of epistemological wisdom on the difference between knowledge and understanding — from the young King Arthur in Disney's animated adaptation of T. H. White's children's literary classic The Sword in the Stone: