Compare These Two Epitaphs Of Benjamin Franklin. Why Do You Think They Are So Differnet? Please Help?

The Epitaph of Young Benjamin Franklin
The body of
B. Franklin, Printer
(Like the Cover of an Old Book
Its Contents torn Out
And Stript of its Lettering and Gilding)
Lies Here, Food for Worms.
But the Work shall not be Lost;
For it will (as he Believ’d) Appear once More
In a New and More Elegant Edition
Revised and Corrected
By the Author.
Benjamin Franklin’s Final Epitaph
Benjamin and Deborah Franklin: 1790