Sentence examples for do we even know from inspiring English sources

Do we even know our own tallies?

"What do we even know about this Morsi?

Do we even know what makes us happy?

And do we even know who "the opposition" is?

"How do we even know what happened to them?" he asks.

Do we even know who we are in the first place?

"The unknown unknowns, we do not even know we don't know them".

"We don't even know we are giving up that data".

In fact, we don't even know what we don't know," he says.

We don't even know whether we're winning.

We don't even know what we don't know.