Quote by Louis Armstrong

“There's some folks, that, if they don't know, you can't tell 'em.”

— Louis Armstrong

“If you don't know, I can't tell you.”

— Judy L. Mandel

“Don't tell them more than you know.”

— Al Neuharth

“Those who say don't know, those who know don't say”

— Michael Lewis

“I guess there are a lot of people who don't know the right thing to say. You don't notice them so much because they…

— Cath Crowley

“People don't want to know. They have to be made to know. Whether they act on what they know is up to them. But…

— Anthony Burgess

“Tell them it's a secret. Tell them they don't need to know.”

— Tove Jansson

“What must I say, that you don’t know on your own?”

— Nikhil Shrivastava

“...Those who know don't talk and those who talk don't know.”

— Elie Wiesel

“Usually, people who ask 'do you know who I am?' don't have a clue themselves.”

— Christina Engela

“Knowing people you understand you do not know people at all.”

— Galib Mammadov

“They say you don't know what you don't know until you know that you don't know it.”

— Neil Leckman