But it is worth remembering that just over a century ago, heavier-than-air flight seemed an impossible dream.

ECONOMIST: Electric planes

Human rights, human rights for all, is not an impossible dream.

UN: Secretary-General

That, of course, sounds like an impossible dream.

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Meanwhile, sham prevails, and not just within the theme park: a busy factory produces only knockoffs of American merchandise and the workers toil for funny money that buys nothing in the world economy and leaves even a plane ride an impossible dream.

NEWYORKER: The World