Adam Clarke's Commentary on the Bible - Jonah 3:10
And Gods saw their works - They repented, and brought forth fruits meet for repentance; works which showed that they did most earnestly repent. He therefore changed his purpose, and the city was saved. The purpose was: If the Ninevites do not return from their evil ways, and the violence that is in their hands, within forty days, I will destroy the city. The Ninevites did return, etc., and therefore escaped the threatened judgment. Thus we see that the threatening was conditional. read more
Adam Clarke's Commentary on the Bible - Jonah 3:9
Who can tell if God will turn and repent - There is at least a peradventure for our salvation. God may turn towards us, change his purpose, and save us alive. While there is life there is hope; God has no pleasure in the death of sinners; he is gracious and compassionate. Himself has prescribed repentance; if we repent, and turn to him from our iniquities, who knows then whether God will not turn, etc. read more