“Macht korrumpiert, absolute Macht korrumpiert absolut.”

Lord Acton (1834-1902), englischer Historiker und Publizist

John Dalberg-Acton, 1st Baron Acton

“Power tends to corrupt and absolute power corrupts absolutely.”

Letter to Mandell Creighton (5 April 1887), published in Historical Essays and Studies, by John Emerich Edward Dalberg-Acton (1907), edited by John Neville Figgis and Reginald Vere Laurence, Appendix, p. 504; also in Essays on Freedom and Power (1972)