Appropriate Quote by Donald Rumsfeld

“Learn to say "I don't know" when you really DON'T know.”

— levitt, steven

“I suggest we embrace the phrase, "I don't know." It seems to get a bad rap, but "I don't know" is a respectable answer…

— Guy P. Harrison

I have never, ever been embarrassed by saying, 'I don't know.' I think maybe that's part of that longevity of my career. Sometimes I…

— Ruth Westheimer

Never say ‘you don’t know’, say, ‘I’ll find out!’

— Jim Michaels

I don't know" means "NO!" "I don't know" means "I'm too cowardly to tell you the truth because I can't deal with confrontation." "I…

— Greg Behrendt

When you don't know that you don't know, it's a lot different than when you do know that you don't know.

— Bill Parcells

“What do you know that you’re not telling me?" "I don’t know what you know, so I don’t know what you don’t know.”

— Magnus Flyte

Every single answer starts with the phrase 'I don't know.' But most of the time she does know, if I give her the time…

— David Levithan

I can be a bit of a know-all. That's been a defence since I was young. I often say: 'Oh yes, I know, I…

— Tara Fitzgerald

Is there a wrong way to say "I don't know"? Yes. When we declare ignorance, it should be a) honest and b) in the…

— Leah Hager Cohen

Even when you don't know, you're supposed to know.

— Michael Eric Dyson

“Saying 'I don’t know' is one of the most powerful things you can say because it creates the potential to find out.”

— Kyle Schmalenberg