He did not invent the phrase you clown he invented the so-called provenance for it - as anybody with even the most basic understanding of english comprehension would be able to deduce.

He INVENTED the conversational exchange and put it in the Foreword of his book to lend strength to the content and support his chosen title for his appallingly poor work, which received horrendous peer reviews and critiques from historians of the day.

As far as can be substantiated at no time at all did any senior German General Officer or senior German Staff Officer ever make any statement referring to British Troops as being "Lions led by Donkeys" with regard to the First World War - If you have substantive PROOF (i.e. that which can be verified), that any did then please produce it.