From the old British comedy series Yes Minister. The P.M's Parliamentary Private Secretary describng the P.M's magnanimous philosophy towards his political opponents.
Malice in Defeat, Revenge in Victory.
"It should be borne in mind that there is nothing more difficult to handle, more doubtful of success, and more dangerous to carry through, than initiating change." - Niccolo Machiavelli, The Prince, 1513