Augustine of Hippo

"He hath established them for the age, and for age upon age" (ver. 6). All things in heaven, all things above, all powers and angels, a certain city on high, good, holy, blessed; from whence because we are wanderers, we are wretched; whither because we are to return, we are blessed in hope; whither when we shall have returned, we shall be blessed indeed; "He hath given them a law which shall not pass away." What sort of command, think ye, have things in heaven and the holy angels received? What sort of command hath God given them? …

Exposition on Psalm 148 ↗

Jerome

He established them for ever, and for age upon age: he set a decree, and it shall not pass away. Great is the honor of man, and great his unhappiness. The sun runs its course for you, the elements serve you: and you do not know your Creator. He set a decree, and it shall not pass away. He set a decree for the sun: behold, through so many years the decree of God has never passed away. So far has it not passed away, that its course has even been grasped by human observation. He set a decree, and it shall not pass away. …

Homily 58, on Psalm 148 ↗

Bonaventure

Scripture tends to lead back to the first beginning by means of reformation, or it describes eternal things, as in the Laws and Gospels. Hence in the Psalm: "He gave them a duty which shall not pass away." For it is not to be understood that the Law or the Commandments will pass away, but rather that they will be better served in the fatherland. For they are not served in the same manner under the Old Testament and under the New Testament: they are served better under the New Testament, and yet better still in the fatherland. …

Collations on the Hexaemeron, Collation 13 ↗