"What is this thing, "imagination?" A muscle that can be "forced" or "stretched"? Or something immune to the ethos of ganbaru [grit it out, or strive for one's best]? Like the relativist's view of light, it is both wave and particle, depending on what you want it to be. The verb "to imagine" is both active and passive, as in "Steve imagined his future," and "Such a future was never imagined." So, I work on my novel by imagining the world of 18th-century Nagasaki and its people and their fears and desires, as an act of will, and a lot of will is involved, believe me. However, I could ganbaru until I'm blue in the face. If my imagination doesn't work "passively" or even "intransitively," at its own behest rather than mine, and come up with cliche-demolishing twists of phrase and turns of plot and happy accidents and unexpected reactions from characters, then the book will be sterile. Well-written with luck, and even intelligent, but sterile. (...) Imagination is what makes art fertile."