By what way is the light distributed, which scatters the east wind upon the earth?
Read Chapter 38
George Leo Haydock
Heat. Hebrew kadim, (Haydock) the "east. "Septuagint, "south wind. "Perhaps the east winds produced the same bad effects in Egypt, as the south wind did in Judea; (Calmet) or this noxious burning wind might proceed from the south-eastern point of both countries. (Haydock)
40. For He in truth is the way, Who says, I am the Way, the Truth, and the Life. [John 14, 6] The light is, therefore, scattered by this way, because all the Gentile world is enlightened by His presence. But He rightly said, Is scattered, because the light of preaching was not contracted or confined, but shone forth with its brightness far and wide by the voices of the Apostles. But because the power of love glows within, when the light of conversion has been received, in order that either our past sins may be anxiously lamented, or future blessings be most ardently sought for, it is suitably added, The heat is divided over the earth.
41. For when the light is spread abroad the heat is divided over the earth; because when righteousness is openly preached, the anxious desire of the heart to seek God is spread forth in the practice of virtues; so that one person shines forth in the word of wisdom, another in the word of knowledge; one is mighty in the grace of healing, another in the wo...
Obviously this does not mean that there exist such storehouses, but he simply shows that these elements are at his complete disposal when he wants, as if he took them from his own reserves. “And is there a store of them for you against the time of your enemies, for the day of wars and battles?” You certainly understand that he wants to emphasize their opportunity, the fact that they come at the right moment and never at random. Then he equally speaks about all the rest, that is, about rain, hail and, on the other hand, about the Notus. - "Commentary on Job 38.22–23"