Prudent Quote by Agatha Christie

“That just goes to show that you never know, although what it is we never know I suspect we'll never know.”

— Terry Pratchett

“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

“But I believe we don't know folks, we're acquainted with them. There's always something in an individual you ain't never going to know.”

— Melissa Fay Greene

“Assume nothing. Even if you think you know everything. Even if you’re sure that you’re right. Get confirmation.”

— Emma Chase

“I never investigate; sometimes the most terrible thing of all is to confirm what you have only imagined.”

— Pete Hamill

“But you are proof that you can think you know someone yet never really know them at all.”

— Cecelia Ahern

“I may have people lying to me, but since I don't really know the truth, I can't be sure.”

— Sue Grafton

“It just goes to show that no matter how well you think you know someone, the truth is, you will never know everything.”

— B.M. Hardin

“...- and besides, I am only almost sure and almost sure is better than risking knowing something you don't want to know.”

— Shani Boianjiu

“And of how we never really know someone, no matter how much we want to believe that we do.”

— Laura Wiess

“There’s much to be said for taking people unawares. You never know what you might learn.”

— George R.R. Martin

“Tell yourself the truth, at least. If you don't then every single person you know is lying to you.”

— Neil Dover