John Calvin Reformed @genevareformer

4. Else, if thou refuse. Moses denounces the extreme dearth and famine of the land of Egypt, because the locusts will suddenly arise, altogether to consume the remaining produce of the year; for half of it had already been destroyed by the hail.

Matthew Henry Presbyterian @wholebiblehenry

Here, I. Moses is instructed. We may well suppose that he, for his part, was much astonished both at Pharaoh's obstinacy and at God's severity, and could not but be compassionately concerned for the desolations of Egypt, and at a loss to conceive what this contest would come to at last.

Commenting on Exodus 10:1-11

John Gill Reformed Baptist @doctorgill

Else, if thou refuse to let my people go,.... He threatens him with the following plague, the plague of the locusts, which Pliny (x) calls "denrum irae pestis": behold, tomorrow will I bring the locusts into thy coast; according to Bishop Usher (y) this was about the seventh day of the month Abib, that this plague was threatened, and on the morrow, which was the...