But Boerhaave was one of those mighty geniuses, to whom scarce any thing appears impossible, and who think nothing worthy of their efforts, but what appears insurmountable to common understandings.

And Louis caught at it, as the only means of extricating him from a religious difficulty which was causing him great distress, and which appeared to him insurmountable by any means which he could command in his own country.

The shoals and the breakers with which the coast was lined, presented obstacles that were insurmountable at that advanced, and unusually inclement, season; and, weary and disheartened, they returned to the place of their first landing.

She had known that there were obstacles insurmountable between them and the happy consummation of their love.

There were other difficulties, trivial in appearance, harassing, vexatious, insurmountable in reality, that yet seemed from day to day about to vanish; so they waited, and temporised, and hesitated, till the opportunity came of escaping together, and they availed themselves of it without delay.