Pope Pius II, who was born during the reign of Charles VI, wrote in his Commentaries that there were times when Charles thought that he was made of glass, and this caused him to protect himself in various ways so that he would not break.
Paus Pius II, yang lahir pada masa pemerintahan Charles VI, menulis di dalam komentar-komentarnya bahwa terdapat masa ketika Charles berpikir bahwa ia terbuat dari kaca, dan ini menyebabkannya melindungi dirinya dengan berbagai cara sehingga ia tidak akan pecah.