The phrase "simple impossible" is correct and usable in written English.
It is usually used to describe something that is surprisingly easy to do but seemed impossible beforehand. For example, "He thought the project would be an uphill battle, but it turned out to be simple impossible."
In this episode, reminiscent of her controversial House of Splendid Isolation, O'Brien gives us a brief, ambiguous alliance between the infamous Shane, who, though now free, will "always be a wanted man", and Mona, who taught him painting in prison and now has the simple, impossible wish to share with Shane a peaceful country lunch.
One man raises a hand and asks a question that is close to being THE question: "How do you get into someone else's head?" I've never heard this simple, impossible riddle posed so clearly.
My own creed is "It's simple or impossible".
The plot is simple yet impossible to summarise.
The group that marched on Monday had a simple but impossible goal.
The oracle at Delphi whose shrine was inscribed with the most simple yet impossible advice ever offered, Know thyself.
What are some of your memories of stage magic, of moments – whether elaborate or simple – when impossible metamorphoses take place in plain view?
But the costly smoke-scrubbing technology that the city requires for restaurants to cook over real wood fires makes that simple equation impossible in a modest operation like Mr. Smith's.
It does come with a copy of Windows XP Professional for PCs that lack it; home users will find the upgrade anywhere from simple to impossible.
First, we cannot without loss of generality assume that the corrupted signals are normalised, since the action of the mask distorts the signal energy, ∥M y∥2≤∥y∥2, which makes simple renormalisation impossible.
The premise of what computer scientists call "fully homomorphic encryption," like many long-unsolved mathematical puzzles, sounds both simple and impossible: Can data be encrypted in a way that allows any calculation to be performed on the scrambled information without unscrambling it?
