Amos 3:5

The third similitude now follows, Will a bird fall on the earth, he says, without a fowler? The Prophet means here that nothing happens without being foreseen by God; for as nets are laid for birds, so God ensnares men by his hidden punishments. Unexpectedly indeed calamity comes, and it is commonly ascribed to chance; but the Prophet here reminds us that God stretches his nets, in which men are caught, though they think that chance rules, and observe not the hand of God. They are deceived, he says; for the bird foresees not the ensnaring prepared for him; but yet he falls not on the earth without the fowler: for nets weave not themselves by chance, but they are made by the industry of the man who catches birds. So also calamities do not happen by chance, but proceed from the secret purpose of God. But we must observe, that similitudes ought not to be too strictly applied to the subject in hand. Were one to asks how God could compare himself here to a fowler, as there is craft and artifice employed in catching innocent birds, when nets are laid for them, it would be a frivolous question; for it is evident enough what the Prophet meant, and that the design of his words was to show, that punishments fall on men, and that they are ensnared through the secret purpose of God; for God has long ago foreseen what he will do, though men act heedlessly, as the birds who foresee nothing.

Then it follows in the fourth place, Will the fowler remove his snare before he has made a capture? In this second clause the Prophet intimates that the threatening of God would not be without effect; for he will execute whatever he declares. It is indeed certain, that fowlers often return home empty, and gather their nets though they have taken nothing; but the Prophet, as I have said, in using these similitudes, only states what fowlers usually do, when they are in hope of some prey. As for instance, when one spreads his nets, he will wait, and will not gather his nets until he takes some prey, if so be that a prey should come; he may indeed wait in vain all night. Then as fowlers are not wearied, and wish not to lose their labor after they have spread their nets, so also the Prophet says that God does not in vain proclaim his threatenings to serve as empty bugbears, but that his nets remain until he has taken his prey; which means, that God will really execute what he has threatened by his Prophets. The meaning then is, that God’s word is not ineffectual, but when God declares any thing, it is sure to be accomplished: and hence he reproves the Israelites for receiving so heedlessly and with deaf ears all God’s threatening, as though he was only trifling with them. “It will not be,” he says, “as you expect; for God will take his prey before he takes up his nets.”