Final answer:
In the play 'Titus Andronicus,' Cassius does not kill Titus, so there is no repeated phrase.
Step-by-step explanation:
In the play 'Titus Andronicus' by William Shakespeare, Cassius does not kill Titus, so there is no phrase that Cassius repeats when killing Titus.
The question seems to refer to a different character or play.