Odo: There’ll be no live vole fights on the Promenade, Quark.
Quark: I would never be party to anything so cruel and inhumane. But, of course, if some Cardassians happened to bring their voles along and they happened to get into a fight, I could hardly be held responsible for…
Odo: Oh, yes you could.
Sisko: And you will be.

Star Trek: Deep Space Nine, Season 3: Episode 15 – “Destiny”