88% sureThese words were traced back to where they first appeared. That source is listed below.
What turned up
Coined by Benjamin Franklin, 'On Protection of Towns from Fire,' Pennsylvania Gazette, Feb 4, 1735 (writing as 'A.A.') — a fire-safety essay for Philadelphia. The related Latin legal maxim in Bracton (c.1240s) is an origin-language note, not this line's source.
Work
Pennsylvania Gazette — 'On Protection of Towns from Fire'
Occasion
1735 · Philadelphia · advice to Philadelphia on preventing house fires
Sources checked
founders.archives.govChecked using claude-sonnet-5, 21 August 2026Franklin's Feb 4, 1735 Pennsylvania Gazette essay (primary source, National Archives Founders Online)
Full transcript of the Feb 4, 1735 Pennsylvania Gazette essay; exact phrase 'an Ounce of Prevention is worth a Pound of Cure' confirmed by direct fetch
Nothing made from these words yet — Storyfaire is where they get made.
Energy and persistence conquer all things.Benjamin Franklin