They that dwell under his shadow - that is, the shadow of the restored Israel, who had just been described under the image of a magnificent tree uniting in itself all perfections. : “They that are under the shadow of the Church are together under the shadow of Christ the Head thereof, and also of God the Father.” The Jews, of old, explained it , “they shall dwell under the shadow of their Messias.” These, he says, “shall return,” i. e., they shall turn to be quite other than they had been, even back to Him, to whom they belonged, whose creatures they were, God. “They shall revive as the corn.” The words may be differently rendered, in the same general meaning. The simple words, “They shall revive” (literally, “give life” to, or “preserve in life,”) “corn,” have been filled up differently. Some of old, (from where ours has been taken) understood it, “they shall revive” themselves, and so, “shall live” , and that either “as corn,” (as it is said, “shall grow as the vine”); or “by corn” which is also very natural, since “bread is the staff of life,” and our spiritual Bread is the support of our spiritual life.
Or lastly, (of which the grammar is easier, yet the idiom less natural) it as been rendered “they shall give life to corn,” make corn to live, by cultivating it. In all ways the sense is perfect. If we render, “shall revive” as “corn,” it means, being, as it were, dead, they shall net only live again with renewed life, but shall even increase. Corn first dies in its outward form, and so is multiplied; the fruit-bearing branches of the vine are pruned and cut, and so they bear richer fruit. So through suffering, chastisement, or the heavy hand of God or man, the Church, being purified, yields more abundant fruits of grace. Or if rendered, “shall make corn to grow,” since the prophet, all around, is under figures of God’s workings in nature, speaking of His workings of grace, then it is the same image, as when our Lord speaks of those “who receive the seed in an honest and true heart and bring forth fruit, some an hundredfold, some sixty, some thirty” Matthew 13:23. Or if we were to render, “shall produce life through wheat,” what were this, but that seed-corn, which, for us and for our salvation, was sown in the earth, and died, and “brought forth much fruit;” the Bread of life, of which our Lord says, “I am the Bread of life, whoso eateth of this bread shall live forever, and the bread which I will give is My Flesh, which I will give for the life of the world?” John 6:48, John 6:51.
The scent thereof shall be as the wine of Lebanon - The grapes of Lebanon have been of the size of plums; its wine has been spoken of as the best in the East or even in the world . Formerly Israel was as a luxuriant, but empty, vine, bringing forth no fruit to God Hosea 10:1. God “looked that it should bring forth grapes, and it brought forth wild grapes” Isaiah 5:2. Now its glory and luxuriance should not hinder its bearing fruit, and “that,” the noblest of its kind. Rich and fragrant is the odor of graces, the inspiration of the Spirit of God, and not fleeting, but abiding.