Thus, you, Hezekiah, along with all your people, shall partake this summer of what you have gathered; in the following summer, you will have the remainder, and in the third summer, you shall sow and cultivate vineyards. The Assyrian laid waste the land of the Samaritans for two full years. Yet, by the time the third year arrived, he retreated from his siege, having faced severe losses near Jerusalem. Therefore, it is declared that in the third year there shall be deliverance, and the farmers and vineyard keepers will experience abundance, provided they have the courage to plant their grapes, signifying that peace will also bring them security.
That those who endured the war and remained will dwell in joy and safety is suggested by the imagery of trees, which will take root below and yield seed above. Their secure dwelling and freedom from fear are implied by the detail of their roots extending deep into the ground. Furthermore, the prosperity that will eventually flourish is acknowledged by the phrase: they will bear fruit high above. It is asserted that this shall occur through the zeal of the Lord of hosts.
In contrast, the Assyrian blasphemed against God, equating Him with false deities, and boasted, "God will not rescue Jerusalem from my grasp." All these prophecies will be fulfilled, for the fervor of the Almighty has been ignited. If we take the saying, "I will eat this summer, which thou hast assigned, and in the second summer, resist Sennacherib," we may assert that those accustomed to warfare, when the siege weakens and conflict drags on, would turn to agriculture for sustenance. This interpretation will similarly apply to him.