In the early twilight, they camped at the foot of a seemingly insuperable cliff.

Following publication of "Origin of Species," even those sympathetic to evolution found themselves facing a seemingly insuperable problem.

But those who had triumphed against seemingly insuperable odds were in no humor to forgive or forget those who had remained loyal to King and Crown.

He'd solved the one seemingly insuperable obstacle to space flight when he found the answer to lethal radiation belts around the Earth, with equal protection against solar flares.

We had overcome seemingly insuperable obstacles, but at long last we were home.

While this was happening, the crumbling Western nation states were looking elsewhere, obsessed with their own seemingly insuperable problems.

The journalist Ray Robinson called the victory "the 'finest ever' in its conquest of seemingly insuperable odds".

But they all agreed that seemingly insuperable technical barriers were falling year by year and many said they expected to see the techniques in use within 20 years.

But it is ultimately about life, death, and eternal life: overcoming these seemingly insuperable barriers.

"We have had to surmount seemingly insuperable political and ethnic obstacles," said Professor Hausman.