For thou shalt eat the labour of thine {b} hands: happy shalt thou be, and it shall be well with thee.

(b) The world esteems them happy who live in wealth and idleness but the Holy Spirit approves them best who live of the mean profit of their labours.Psalm 128:2 Parallel Commentaries

Epistle Xlvi. To Isacius, Bishop of Jerusalem .
To Isacius, Bishop of Jerusalem [159] . Gregory to Isacius, &c. In keeping with the truth of history, what means the fact that at the time of the flood the human race outside the ark dies, but within the ark is preserved unto life, but what we see plainly now, namely that all the unfaithful perish under the wave of their sin, while the unity of holy Church, like the compactness of the ark, keeps her faithful ones in faith and in charity? And this ark in truth is compacted of incorruptible timber, …
Saint Gregory the Great—the Epistles of Saint Gregory the Great

Letter xxxiv. To Marcella.
In reply to a request from Marcella for information concerning two phrases in Ps. cxxvii. ("bread of sorrow," v. 2, and "children of the shaken off," A.V. "of the youth," v. 4). Jerome, after lamenting that Origen's notes on the psalm are no longer extant, gives the following explanations: The Hebrew phrase "bread of sorrow" is rendered by the LXX. "bread of idols"; by Aquila, "bread of troubles"; by Symmachus, "bread of misery." Theodotion follows the LXX. So does Origen's Fifth Version. The Sixth …
St. Jerome—The Principal Works of St. Jerome