She begins:

In 1761, 55-year-old Benjamin Franklin attended the coronation of King George III and later wrote that he expected the young monarch’s reign would “be happy and truly glorious.” Then, in 1776, he helped to draft and then signed the Declaration of Independence. An 81-year-old man in 1787, he urged his colleagues at the Constitutional Convention in Philadelphia to rally behind the new plan of government they had written. 

“I confess that there are several parts of this constitution which I do not at present approve, but I am not sure I shall never approve them,” he said, “For having lived long, I have experienced many instances of being obliged by better information, or fuller consideration, to change opinions even on important subjects, which I once thought right, but found to be otherwise.”

https://heathercoxrichardson.substack.com/p/september-17-2022