In every case, humanity and common sense made the insoluble problem just get up and go away.

NEWYORKER: The Caging of America

On the practical side, the insoluble problem is slippage over time.

FORBES: U.S. Government: Too Big To Succeed?

The opening of the sacristy is one of several projects through which today's 25-strong Orthodox Christian fraternity is attempting, with considerable subtlety, to solve an almost insoluble problem.

ECONOMIST: Saint Catherine's monastery

Today David Obey said he wasn't sure how he was going to deal with the supplemental request because he was afraid the administration would be -- in his words -- devoured by an insoluble problem in Pakistan and Afghanistan.

WHITEHOUSE: White House Press Briefing

The forecasting problem is ultimately insoluble.

ECONOMIST: Shared values

Their services are needed because the problem of planetary global warming is so large and insoluble that it defies our ability to understand it.

FORBES: How Super-Achieving 'Knowledge Journalists' Shape Our Thinking