Munch and Cassidy in “Unfinished Business”

Munch

I'm never setting foot in the city of Baltimore again, as long as I'm on this mortal sphere.

Cassidy

Why? You're rich. Did your 20, got your pension, and you're on the job here.

Munch

I earned that pension with the sweat of my mind, while surrounded by intellectual insects. Not to mention the fact that I lost a wife after less than one night of connubial bliss to someone who was not only another detective, but a member of my own squad.