I read, train, cram, repeat, and the knowledge muscles up. My bookshelf has a pile of art books. Instead of reading them, I use them as practical tools: stacking them as a step stool or using them as weights when I need to reach or press something. They even work as exercise equipment. I sweat under the weight of history, but jumping on top of it lightens the load. I can't read all the information written about art, but I become sensitised to everything that has been and will be done for art.