And though the Lord give you the bread of adversity and the water of affliction, yet your Teacher will not hide himself anymore, but your eyes shall see your Teacher.
20. When the Lord shall have given you. He continues the same subject, and strengthens believers, that they may not faint; for patience springs from the hope of a more prosperous issue. Accordingly, he prepares them for enduring future chastisement, for the wrath of God will press hard on them for a time; but he immediately promises that a joyful issue awaits them, when they...
The closing words of the foregoing paragraph (You shall be left as a beacon upon a mountain) some understand as a promise that a remnant of them should be reserved as monuments of mercy; and here the prophet tells them what good times should succeed these calamities.
Commenting on Isaiah 30:18-26
And though the Lord give you the bread of adversity, and the water of affliction,.... Either at this present time, when the city was besieged by Sennacherib; or when it should be besieged by the Chaldeans, when adversity was their bread, and affliction their water; or when they had only bread and water in their adversity and affliction; or a famine of bread and water...