John Calvin on Lamentations 3:38

The Prophet says that from the mouth of the most High proceed good and evil By “mouth” he means his decree. God indeed does not always declare that he is a judge; he has often executed punishment on the wicked, as it were, in silence; for there were no prophets among the heathens to proclaim the judgments he brought on them. But though God does not always speak when he punishes the wickedness of men, it is yet said that good and evil proceed from his mouth; because he allots to men their punishment as it seems good to him; and then he spares others or bears with them for a time. It follows, —

Lamentations 3:39

39. Wherefore doth a living man complain, a man for the punishment of his sins?

39. Cur molestia se afficit homo vivens? Vir super peccato suo?