" I forced you to the edge of the room, you jumped over my shoulder. Not many students, even with three or four years of training, could execute that ploy.” “I never studied with anyone, though.” “It’s nothing to hide. You must have had a teacher, and a good one. Who was he?” The boy thought for a moment, then said, “Oh, I remember how I learned that.” “Who taught you?” “It wasn’t a human being.” “A goblin maybe?” “No, a hemp seed.” “What?” “A hemp seed.” “How could you learn from a hemp seed?” “Well, way up in the mountains there are some of those fighters—you know, the ones who seem to disappear right in front of your eyes. I watched them train a couple of times.” “You mean the ninja, don’t you? It must have been the Iga group you saw. But what does that have to do with a hemp seed?” “Well, after hemp’s planted in the spring, it doesn’t take long before a little sprout comes up.” “Yes?” “You jump over it. Every day you practice jumping back and forth. When it gets warmer, the sprout grows fast—nothing else grows as fast—so you have to jump higher every day. If you don’t practice every day, it’s not long before the hemp is so high you can’t jump over it.” “I see. "
― Eiji Yoshikawa , Musashi