Language describing the movement of water often becomes a metaphor for human emotions, or a description of actions that affect us, such as the passage of time. We speak of waves and surges, water’s moodiness, its calming properties, power, persistence and ability to transform. When there is a drought, all living things crave water. When there is too much, we are overwhelmed. One of my favorite quotes about water is attributed to Leonardo da Vinci: In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.