He thinks of himself as a latter-day knight errant, out on a quest fighting dragons. It’s not very practical but it is romantic.

Soundiness is in fact what is meant in many papers that claim to describe a sound analysis.

…the Founder of that Family, who took the Name of Yuen, and who is known in Europe by the Name of Zing hi, or Zing his kan, but whom the Chineſe Hiſtory calls Tchin bi ſe, and Tai tſou, after he had conquer’d the King had thoughts of carrying the War into Corea: His General, called Leou co immediately made himſelf Mafter of the Towns ſituated upon the Eaſt of the River Ya lou;…]

Madam, whatſoeuer you eſteeme Of this ſucceſſe, and loſſe vnualued, Both may inueſt you Empreſſe of the Eaſt: […]