He had some idea of how much was at stake, but the enormities of it stretched into an unimaginable future.

But that was far off, in a remote and unimaginable future.

I was a pitiful freak hiding in a lying skinsuit, a monster from an unimaginable future.

It was a time when only a few neighbors could afford radios; television and moonshots were far off in an unimaginable future.

He who had to all appearance mocked at the faiths in the forgotten past discovered a new god in the unimaginable future.

Whatever happened to the human race, the Monument would be waiting here: a road sign, pointing toward an unimaginable future.

After a while she gave up, and left him sitting there, staring blindly into an unimaginable future.

She held on to that, tried to pull together all her reserves, wished and willed an unimaginable future.

And we face an almost unimaginable future.

This had been a wonderful early Christmas present, bright and filled with hope for an unimaginable future, a future of humans interacting with other intelligences.