"My sole expectation is to lead some, who might otherwise be ignorant of them, among my brethren of the present day, to study works which I esteem as among the most valuable certainly, if not the most valuable, which any age has furnished us in regard to medicine. ...these principles may be added to, they may be enlarged, limited and modified, and yet the system may be maintained; and it will still derive its support from the first labors devoted to its erection as much as from the last."
January 1, 1970
https://en.wikiquote.org/wiki/Pierre_Charles_Alexandre_Louis