I can be pretty nasty. Not 'mean' nasty, but nasty by your parents' standards. But not by my parents' standards, because my parents were nasty for their day.
“One of the things that made me persist in the Antarctic in the face of sickening discouragements was my determination to name a portion of the earth's surface after my father.”
“Although economists have studied the sensitivity of import and export volumes to changes in the exchange rate, there is still much uncertainty about just how much the dollar must change to bring about any given reduction in our trade deficit.”