Marzouki, a physician who leads the once-banned CPR party and wants to run for president, urged fellow Tunisians to hold firm in their efforts to bring down Ben Ali's party.
Official: 4 ministers quit new Tunisia government →
"Don't let anyone steal this blessed revolution from you," said Marzouki. "Don't waste the blood of our martyrs. We don't want any revenge, but we are fast with our principle that this horrible party does not return."