When the well’s dry, we know the worth of water.

The proverb observes that people often recognize the value of necessities only after they are gone. “Water” stands for any vital resource—health, time, money, relationships, peace, or environmental goods—whose importance is easy to overlook when it is abundant. The “dry well” is the moment of deprivation that forces belated appreciation. The moral implication is preventive: cultivate gratitude and stewardship before scarcity arrives, and act with prudence to avoid crises that make the lesson painfully clear.

1) “When the well is dry, we learn the worth of water.”
2) “When the well’s dry, then we know the worth of water.”
3) “When the well is dry, we know the value of water.”