Gregory the Dialogist

Knowest thou the course of heaven, and wilt thou set down the reason thereof on the earth? To know the course of heaven, is to see the secret predestinations of the heavenly disposals. But to set down the reason thereof on the earth is to lay open before the hearts of men the causes of such secrets. To set down, namely, the reason of heaven on the earth, is either to examine the mysteries of the heavenly judgments, by consideration, or to make them manifest in words. Which certainly no one can do who is placed in this life. …

Morals on the Book of Job, Book XXIX ↗

Thomas Aquinas

Fourth, the order, placement, and movement in the heavenly bodies seems wonderful, and so he says, "Do you know the order of heaven?", which man cannot comprehend? Fifth, the disposition of the lower bodies in relation to the higher ones is wonderful, and expressing this he says, "and will you be able to establish their plan upon the earth" so that you know the proper effects of each one of the heavenly causes.

Commentary on Job ↗

Bonaventure

In the order of hope, concerning what we should expect, there is anagogy, and this in two ways: one in the skies, as in this passage: "Abram, look at the heavens and, if you can, count the stars." And that means the heavenly intelligences. Again, in Job: "Do you know the ordinances of the heavens; can you put into effect their plan on the earth?"

Collations on the Hexaemeron, Collation 2 ↗