Many years ago I was at a conference where one of the presenters spoke about living by what she called “the manna plan.” She referenced the story of the Israelites and the miraculous food from heaven that the Lord provided for them as they wandered in the wilderness for forty years. This edible substance, known as manna, appeared on the ground every morning. The Israelites were instructed to gather only what they needed for that day. If they gathered more than that to save some for later, it would spoil. The exception to this was the day before the Sabbath, when they were commanded to gather enough for two days.…