"My subjects have learned, by cruel trials, that the principle of the legitimacy of sovereigns is one of the fundamental bases of social order,—the only one upon which, amidst a great nation, a wise and well-ordered liberty can be established. This doctrine has just been proclaimed as that of all Europe. I had previously consecrated it be my charter, and I claim to add to that charter all the guarantees which can secure the benefits of it."
January 1, 1970
https://en.wikiquote.org/wiki/Louis_XVIII