Many of you reading this will have a story about a difficult (or even impossible) boss.
If you're worried about climate change but don't like carbon taxes, think about the messy or even impossible alternatives!
Both these features make writing and enforcing contracts which take every possible eventuality into consideration difficult, or even impossible.
Eventually they hope to see crops worldwide grown on land which was previously thought difficult or even impossible to farm.
It may be difficult or even impossible to separate out all of the multiple levels of horror, all the losses that can never be made up.
So today, when the challenges we face start to seem overwhelming -- or even impossible -- let us never forget that doing the impossible is the history of this nation.
Nevertheless, immigration reform will be hard, maybe even impossible.
One unpredictable feature of Parinacota is the snow formation known as penitentes, thin, icy spires that can grow several metres tall and can make progress difficult, or even impossible by blocking the usual climbing routes.
More recent changes to the bill have even made it difficult or even impossible for stay-at-home spouses to qualify for credit cards and some parents have begun protesting the law as unfair and discriminatory.
Walton's earlier studies demonstrated that a sense of social belonging can affect motivation and continued persistence, even on impossible tasks.
Mr Siniscalco declares that, when he was finance minister, he thanked God every day for the euro, without which his job would have been even more impossible than it was already.
Some governments, moreover, may try to achieve a declared target even when changed conditions have made the mark impossible or even dangerous.
Switching quickly between more than around six or seven is near-impossible even for the most gifted.
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And perhaps even these become impossible to preserve due to the accelerating pace of man-made ecological changes.
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Once she believed the Lord was on her side, she could pursue even the most impossible mission with serene confidence.
There are degrees of complexity, though, and intensive-care medicine has grown so far beyond ordinary complexity that avoiding daily mistakes is proving impossible even for our super-specialists.
Also, many people wanted to avoid shipping charges and to be able to walk into a store to make returns, which was impossible even at Levi's retail outlets.
Even the most hawkish participants in the FDIC symposium accepted that it was, even now, impossible to be sure whether the farm boom was justified by shifts in supply and demand or a bubble pumped up by irrational exuberance.
EU's refusal, at a meeting in Luxembourg shortly before Mr Ecevit's government took office, to put Turkey on a list of candidates to join the club had set off a wave of bitter anti-western anger among Turks that was impossible even for a pro-European like Mr Cem to ignore.
At these prices, even low-cost Chinese producers are finding it impossible to break even.
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Part of the problem in the public discourse is that few people alive today can even remember a free market in health care, so its impossible for some even to imagine.
However, it is impossible to even have the chance to profit, unless capital is invested.
But they say the pain has made it impossible to even drive past the Lanza home.
That's because it's pretty much impossible for even the best surgeon to remove all breast tissue from a woman.
This is arguably hardest in services, though not impossible: even journalists find that work expands to fill available hours.
Crucially, until property rights and contracts are properly enforced, straightforward commercial lending will remain all but impossible, even to fragrant borrowers.
Despite Mr Rifkind's criticism, it is still not impossible, even were Britain's Tories to stay on, that agreement could be reached in Amsterdam.
"In the worst situations, download speeds may be under 1Mbps for lengthy periods of time, making video streaming impossible and even web browsing difficult, " it said.
Similarly, it is impossible for even the most loving coach to get people outside the box of their dream-like condition without inducing a certain amount of trauma as an unintended byproduct.
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