What's less likely than winning this week's American Powerball lottery ticket? The chance that our world is some random accident of nature – yet people cling to this idea. God should not always need to perform open miracles, says Nahmanides at the end of our parasha, just to get people to believe in Him. In Egypt He performed miracles and we're instructed to remember them forever. The rest of the time, he says, we need to learn to see the nes nistar, the hidden miracles that accompany us daily.