As it says in the good book, we know not the time or the hour.
That crisis had been building for decades, seems to be reaching a culmination now, and will be resolved we know not how, except that we expect the process to be convulsive.
Like all multinational corporations it is an amalgam of many hundreds or thousands of companies, spread far and wide, many of them hidden in tax havens for reasons we know not why.
We really do not know how much is down there, we do not know which portion of whatever is down there is retrievable and we do not know the cost of doing so.
So I will stick to what we know and not what we may or may not be able to predict.
That's why we invested in schools and prevented layoffs of hundreds of thousands of teachers and public school workers, including thousands of educators in this state -- because we know we will not be able to compete in new industries unless we've got workers ready to fill jobs in those industries.
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We can return to what we know did not work, or we build a stronger future. (Applause.) We can go backwards, or we can go forward.
And we stated very clearly, in an official statement, that we did not know about the operation, we did not approve of it.
We know how it works, when it works, what to do to make it work, and we know that not every attempt to blog will work.
Just to take one example, we do not know to a certainty that the House decided -- well, we do know to a certainty that the House decided not to charge perjury in a civil deposition.
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The honest answer is we do not know because we are dealing with a biological system.
We need to get to the point where we know whether or not we can achieve a significant compromise, bipartisan compromise, on deficit reduction.
Prof Paul Gately, a specialist in childhood obesity at Leeds Metropolitan University, said a tool like this would help the NHS target specific people at risk rather than the "scattergun one-size-fits-all approach, which we know does not work".
We know this not only by the strange, shiny grey appearance of the sandstone - caused by centuries of polishing by human skin - but also by the fluent lines of Aboriginal art on the overhanging rock face beside me.
We know we're not going to be better off if suddenly we roll back the protections for our air and our water, and protections to make sure that if you get sick there's going to be health care there for you.
The same goes for the folks around us, whom we do not know, and whom we resemble only in our private desire to know more of what will unfold in public, on the stage or screen.
But we don't know everything, but I think we can focus on the things that we do know about not smoking, about eating fruits and vegetables and about exercising regularly.
We know it's difficult and we know they have not been beaten there for a long time.
We might be enthusiasts or cynics, we might not know what steps to take or we might look down on the very idea of using sites like LinkedIn to boost our personal brand power.
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We find ourselves in another time of mourning for people we may not know in person, but whose spirits we will live with for the rest of our lives.
If these genes are so important to the proper operation of the cell and we do not know what they do, it means we still have a long way to go before we fully understand cellular life - and that includes humans.
We do not know the day of final victory, but we have seen the turning of the tide.
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But we still do not know, we can only hope, that those new things would justify the costs of building such systems.
"We do not know the full details of this case, but we take such claims seriously, " she added.
"The worst of this is that we do not have reliable meteorological information for forecasting, so we do not know exactly what will come tomorrow, " Sohou said.
We do not even know why we are relatively hairless or why we walk on two legs, so finding the origin of religious belief is a tall order.
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