You are not John Locke, you disrespect his memory by wearing his face.

The End • season 6 • episode 17

Ryan, 24 – Penticton (BC, Canada) :

One of the most notable rivalries on the Island had always been between Jack and Locke, with Jack always refusing to accept or believe anything Locke faithfully spouted. Near the end of season 5, and throughout season 6 when Jack began to realize Locke was right, it really made me happy. In the final episode, when unLocke (MiB) and Jack were lowering Desmond into the hole, the greatest exchange of words for me occured.
This remind you of anything Jack? You and me, with Desmond in a hole. If there was a button, we could argue about wether or not to push it, it would be just like old times.” This line made me smile, but it was what Jack said next that made the six seasons of Jack and Locke fighting perfect in every way: “You are not John Locke, you disrespect his memory by wearing his face, but you’re nothing like him, turns out he was right about most everything. I just wish I could have told him when he was still alive.
When Jack said that, I couldn’t have been happier. When I watched Lost for six years, in my eyes the show was always about Faith vs Science (Locke vs Jack). Seeing Jack speak in Lockes’ honor, it made the show, and is my Lost moment.