After miraculously crossing the Red Sea, the Israelites had travelled for three days through the desert without finding water. And when they did finally come across some, they found that it was foul and undrinkable. Repeating behaviour they had demonstrated at the Red Sea, they started to grumble and question; but by contrast, Moses cried out to God who told him to throw a piece of wood into the water and the water would be purified – and it was. Still today we come to situations where we face ‘bitter waters’ in life, and Martin Dunkley shares four ‘pieces of wood’ that we can throw into those waters to see them transformed.