They share my strong/firm 'conviction' that the policy is misguided.
He has three prior/previous drunk-driving 'convictions'.
In light of the evidence, a 'conviction' seems certain.
(..) I will handle this side of the castle. Yes, sir! Hey Dean, on second thoughts, tell Professor McGonagall we might need one or two more wands this side. It is the quality of one's convictions that determine his success... ... not the number of followers. Who said that? Me. You okay, Freddie? Yeah. (..)2011 Harry Potter and the Deathly Hallows: Part 2