Quote by Tom Kelley

“Mark Twain said “it ain’t what you don’t know that gets you into trouble, but what you know for sure that just ain’t so.”

— Terence Callery

“It’s not what you don’t know that gets you in trouble. It’s what you do know that ain’t so. —Will Rogers or Mark Twain…

— Edward B. Burger

“What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so.”

— Mark Twain

“They did not know it was impossible, so they did it. Mark Twain”

— Toni Bunnell

“The resulting flood of information, always of varying quality and sometimes of uncertain sanity, creates a veneer of knowledge that actually leaves people worse…

— Thomas M. Nichols

I think it was Mark Twain who said, “Get your facts straight, and then you can distort them as much as you like.

— Josh Lanyon

“Mark Twain said, two people can keep a secret if one of them is dead.”

— Kaje Harper

“It's not what you know, it's when you know it.”

— Kathy Sierra

“I never let my schoolin' interfere with my learnin' "___Mark Twain”

— Mark Twain

“Sometimes what we don't know protects us. It can't hurt us if we don't know it.”

— C.C. Hunter

“It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.…

— Kristy K. James

“You don't know about me without you have read a book by the name of The Adventures of Tom Sawyer; but that ain't no…

— Mark Twain