Rashi on Psalms
The humble shall eat at the time of our redemption in the days of our Messiah.
Radak on Psalms
The meek shall eat and be satisfied: They shall praise the Lord that seek after Him: – i.e. Israel, because they are meek, for the Gentiles have been proud until the time of the redemption of Israel; so also Israel is identical with those that seek after Him, for they are seeking after Him in the exile; and when they are redeemed they shall eat and be satisfied with the spoil of their enemies, and delight themselves – the reverse of what they experienced in exile – and they shall say to them:
Rashi on Psalms
your hearts shall live forever I will say all this before them.