LIBERTAS

So they came to an agreement on the terms that had been voted, but those on the Capitol would not come down till they had secured the son of Lepidus and the son of Antony as hostages; then Brutus descended to Lepidus, to whom he was related, and Cassius to Antony, under promise of safety. And while they were dining together they naturally, at such a juncture, discussed a variety of topics and Antony asked Cassius: "Have you perchance a dagger under your arm even now?" To which he answered: "Yes, and a big one, if you too should desire to make yourself tyrant."

Cassius Dio 44.34

antony: is that a dagger or are you just happy to see me

cassius: why don't you fuck around and find out