You don't have to have all the answers all the time. But…

The best thing to know is what you don’t know,

— Christine Quinn

If it's one thing I know well is how to get my grind on.

— Wiz Khalifa

Of course, I don't know everything. Considering the infinite amount of knowledge that one could acquire in a virtually innumerable array of intellectual disciplines,…

— Dean Koontz

Is it a boy or a girl ?”. There is a great answer to that one going around : “We don’t know ; it…

— Kate Bornstein

When you don't know what the answer is, you know *Who* the answer is.

— Larry Burkett

I think there's a lot of power in admitting that you don't know everything.

— Kit Williamson

“Knowing more than someone does not necessarily mean that you know every single thing they know.”

— Mokokoma Mokhonoana

“The only thing that we know is that we know nothing, and that is the highest flight of human wisdom.”

— Leo Tolstoy

That is the first thing I know for sure: (1.) If the questions don't make sense, neither will the answers.

— Kurt Vonnegut

The only thing that I know is, 'Who's the target, who's the best? Go get him.'

— Shawn Porter

The only thing to know is how to use your neurosis.

— Arthur Adamov

“But one thing I do know, you don't screw with crazy.”

— Brandy Nacole

If there's one thing I know, it's men. I ought to. It's been my life's work.

— Marie Dressler

No matter what you study, the thing that you know best is what you grew up with.

— Maria Sharapova

The important thing is not to know more than all men, but to know more at each moment than any particular man.

— Johann Wolfgang von Goethe