Give a man a fish and he has food for a day.
Teach a man to fish and ... he has to go buy bamboo rods, graphite reels, monofilament lines, neoprene waders, creels, tackleboxes, lures, flies, spinners, worm rigs, floats, slip sinkers, offset hooks, gore-tex hats, 20 pocket vests, sun glasses, fish finders, boat, trailer, 4x4 to tow it, depth sounders, radar, global positioning systems, ice coolers, and multiple six-packs of beer.