Who said "Sometimes the most powerful thing you can do is say no."?

This quote is attributed to Mary Richards Moore.

Sometimes the most powerful thing you can do is say no. - Mary Richards Moore

"Sometimes the most powerful thing you can do is say no."

Mary Richards Moore Power

"You know, I'm not just a secretary. I'm a woman with dreams and ambitions."

"Sometimes you have to take risks to find out who you really are."

"I may not have all the answers, but I'm willing to learn."

"A good friend is worth more than a week's salary."

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."