Ikkyū in Hell: Skeletons (1692)
publicdomainreview.org
publicdomainreview.org
I see in that deck that my most reviewed card in the deck has a show count of 453! Yet I'm sure I'd lapse on it if shown it today.
You might as well memorize plates of spaghetti.
Kusakabe Kimbei’s Photographs of Late 19th-Century Japan: https://publicdomainreview.org/collection/kusakabe-kimbei-s-...