After his conflict with the Emperor Henry IV. As reported in: The Life and Pontificate of Gregory VII (1840) vol. 2, bk. 3, by J. W. Bowden
Quote of the day
Any woman who chooses to behave like a full human being should be warned that the armies of the status quo will treat her as something of a dirty joke. That's their natural and first weapon. She will need her sisterhood.