Then the king said to Amasa, Get all the men of Judah together, and in three days be here yourself.

So Gad came to David, and gave him word of this and said to him, Are there to be three years when there is not enough food in your land? or will you go in flight from your haters for three months, while they go after you? or will you have three days of violent disease in your land? take thought and say what answer I am to give to him who sent me.