“If something cannot go on forever, it will stop.”

From Brett Walton, a visit to California’s Central Valley to witness Stein’s Law in action:

David Zoldoske, who has worked at Fresno State for 31 years, sees this as the future of agriculture in the Central Valley. Fewer acres will be irrigated, less groundwater will be pumped.

Walton’s entire piece is worth reading. Wikipedia has a nice brief explanation of Stein’s law.