Reported in Lucian McCarty, "Sen. Roy McDonald Comes to his decision on the same-sex marriage measure after careful consideration, remains firm in his support despite criticism", The Saratogian (June 2011).
This was on Senator McDonald's change of vote from a "no" in 2009 to a "yes" in 2011.
“What people need to understand is pussy is the Front Door to Life. Do you get that? Nobody ever thinks about it like that in the dusty ancient cabinet of old white men that think they know everything.”
From Her Books, I Have Chosen To Stay And Fight, FEMINISM
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Margaret Cho 179
American stand-up comedian 1968Related quotes

“We white people think that we know everything.”
Child of Storm (1913), CHAPTER I, ALLAN QUATERMAIN HEARS OF MAMEENA

http://www.fool.com/news/commentary/2006/commentary06012002.htm

Professor Van Helsing to Dr. Seward
Dracula (1897)
Context: You reason well, and your wit is bold, but you are too prejudiced. You do not let your eyes see nor your ears hear, and that which is outside your daily life is not of account to you. Do you not think that there are things which you cannot understand, and yet which are, that some people see things that others cannot? But there are things old and new which must not be contemplated by men's eyes, because they know, or think they know, some things which other men have told them. Ah, it is the fault of our science that it wants to explain all, and if it explain not, then it says there is nothing to explain. But yet we see around us every day the growth of new beliefs, which think themselves new, and which are yet but the old, which pretend to be young, like the fine ladies at the opera.

“It's my life and you know what? Nobody invited you so there's the door.”
Interview – George Mihalka https://crypticrock.com/interview-george-mihalka/ (October 31, 2017)