What is 'Speaking Truth to Power'?

We desperately need this now!!

Never heard this phrase until 2016. I'm a little late but now I understand why it was so often said.

When I was a young voter, there was a popular bumper sticker which had a simple message: “Question Authority.”

This question more than ponders whether it's time to invest in my long since departed Quaker ancestry, from whom, my life I owe.

We have one in the Phillipines during the 80's of People's Power were tanks and soldiers confronts flowers, foods and water from the citizenry.