...It was impossible even to follow the course of theMercy, or to ascertain in what part of the mountain it took its source... 
Jules Verne William Henry Giles Kingston 「Abandoned」
... and it was impossible to distinguish anything beyond them...
Jules Verne William Henry Giles Kingston 「Abandoned」
...It was impossible, besides, to estimate the distance traversed,or to trust to the reckoning for the direction, as the speed had beenvery irregular...
Jules Verne William Henry Giles Kingston 「Abandoned」
...Now, as it was nearly sixo'clock when the Bonadventure reached the gulf, and as at that momentthe tide turned, it was impossible to enter...
Jules Verne William Henry Giles Kingston 「Abandoned」
...The best principled, and the best disciplined were those who arguedthus, and it was impossible to reply satisfactorily to them...
George Grote 「The Two Great Retreats of History」
...Then there should be no room fordoubt: time-travelling is impossible...
Various 「Astounding Stories, August, 1931」
...The suck of the water as it took the beginning of the last steeppitch was frightful, and Thornton knew that the shore was impossible...
Jack London 「The Call of the Wild」
... “It is impossible,” she protested...
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
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