Even with an ample supply it would be difficult to hold out.

As things are, such a course becomes simply impossible." Her despondency pierced his soul.

A slow agony was consuming her.
"It is hard, I admit," he said.

"Nevertheless you must bear up until night falls.

Then we will either obtain water or leave this place." "Surely we can do neither." "We may be compelled to do both." "But how ?" In this, his hour of extremest need, the man was vouchsafed a shred of luck.