Looks like a patient lost his patience. Also his command of gr...
Dr. Parish: Looks like a patient lost his patience.
Castle: Also his command of grammar. You're should be you-'-re as in you are, that's not even a tough one not like when to use who or whom.
Beckett: Do you really think that's the take away here Castle?
Castle: I'm just saying whoever killed her also murdered the English language.