“Drain the swamp” is either a threat or a promise. It depends on which side of the swamp you reside. Turning a swamp into solid ground would require significant upheaval of terrain.

When the prophet Isaiah says the valleys shall be lifted up and the mountains made low, there’s a similar political aggressiveness to it. The explosive power to bring down a mountain is not trifling. The mountains are the rulers – kings and emperors; the valleys are the little people who pay the taxes and are fodder for their masters’ wars. Kings on mountains don’t take kindly to threats….