What is noteworthy too, it proved wholly inane, this huge world-ocean of Intrigues and Imperial Necromancy; ran dry at last into absolute nothing even for the Kaiser, and might as well not have been. And Mother and Father, on the Prussian side, were driven to despair and pretty nearly to delirium by it; and our poor young Fritz got tormented, scourged, and throttled in body and in soul by it, till he grew to loathe the light of the sun, and in fact looked soon to have quitted said light at one stage of the business. We are now approaching Act Second of the Double-Marriage, where Imperial Ordnance-Master Graf von Seckendorf, a Black-Artist of supreme quality, despatched from Vienna on secret errand, "crosses the Palace Esplanade at Berlin on a summer evening of the year 1726;" and evokes all the demons on our little Crown-Prince and those dear to him. We must first say something of an important step, shortly antecedent thereto, which occurred in the Crown-Prince's educational course. Chapter V. -- CROWN-PRINCE GOES INTO THE POTSDAM GUARDS. Amid such commotion of the foreign elements and the domestic, an important change occurs in the Crown-Prince's course of schooling. It is decided that, whatever be his progress in the speculative branches, it is time he should go into the Army, and practically learn soldiering. In his fourteenth year, 3d May, 1725, [Preuss, i. 26; 106; and _Buch fur Jedermann_ (a minor book of his, on the same subject, Berlin, 1837), ii. 13.] not long before the Treaty of Hanover, he was formally named Captain, by Papa in War-council. Grenadier Guards, Potsdam Lifeguards, to be the regiment; and next year he is nominated Major, and, a vacancy occurring, appointed to begin actual duty. It is on the "20th of August, 1726, that he first leads out his battalion to the muster," on those terms. His age is not yet fifteen by four months;--a very tiny Major among those Potsdam giants; but by rank, we observe, he rides; and his horse is doubtless of the due height. And so the tiny Cadet-drillings have ended; long Files of Giants, splendent in gold-lace and grenadier-caps, have succeeded; and earnest work instead of mimic, in that matter, has begun.