Not who you're looking for? Others named Joseph Dennie: American writer and editor (1768-1812)
“Eloquence may truly be considered in every country, where the freedom of speech is indulged, as synonimous with civic honours, wealth, dignity and might. In the last particular, its potency is that of a magician. It wields at will our fierce democracie.”
Quotes via Wikiquote (CC BY-SA), each with its original source.