It is poetry that, without any strength, shakes the heaven and the earth, makes invisible spirits moved, makes a man and woman intimate and eases a warrior's violent soul.
力をも入れずして天地を動かし、目に見えぬ鬼神をもあはれと思はせ、男女のなかをもやはらげ、猛き武士の心をもなぐさむるは、歌なり。