Earlier quoted context omitted.
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety."
"Those (the Penn family) who would give up essential Liberty (money & power), to purchase a little temporary Safety (a veto over a taxation dispute, trying to raise money from the Penn family), deserve neither Liberty (said money & power) nor Safety (the defense that said taxed money would've bought from the present French & Indian wars)"
No, you've got it half-backwards.
He's saying the democratic legislature shouldn't forever give up the citizens' collective Liberty to tax the ultra-mega-rich (Penns) in exchange for a one-time Security payment from those rich near-nobles.
https://www.npr.org/2015/03/02/390245038/ben-franklins-famou...