C.E. Evans wrote:
"Absolute power corrupts absolutely."
--Captain James T. Kirk, "Where No Man Has Gone Before."
To be accurate, Kirk was quoting a few words from a larger statement, which is even more germane to Marcus.
"Power tends to corrupt, and absolute power corrupts absolutely. Great men are almost always bad men."
John Emerich Edward Dalberg Acton
in a letter to Bishop Mandell Creighton, 1887