I thought that the art of writing factually wrong and intellectually dishonest things about Kōdōkan jūdō, relying on hearsay, tampering with or ignoring the original sources, and placing ideology before love of truth, was our prerogative—and by “our” I mean “Western.” I was very wrong . I read, thanks to friends who pointed it out to me, a university paper by Mizoguchi Noriko, which can be found here , and which I warmly invite you to read carefully. I can already hear the comments: “But how can you dare to contest a great champion, someone who has studied, someone with a PhD?” The answer is very simple: of course I dare, if she writes nonsense. I do not care who it is that speaks, I care about what they say. And if what they say, whether we are speaking of a great master or of the last newcomer, is not correct, it is a duty to point it out. This is because I adhere to a principle that the Neo-Confucian philosopher Wáng Yángmíng summarised in this motto: 知行合一 “the unity of...