What said your work here is done?

My work here is done

Actually, the quote is "My work here is done". I heard it came from a Batman movie. I thought there was an old TV show that first used it though. Apparently it's not the Lone Ranger. Any other ideas?

copyright ybarra-cgm

The earliest use I've seen is in
The Prisoner of Zenda, by Anthony Hope - 1894 copyright ybarra-cgm

"They are right, sire. Let me go. My work here is done." ybarra-cgm.com

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