A pool of fresh water is special. It's special as it’s a bit like our consciousness. If you try hard you may be able to see really little waves or ripples in the water. They’re really slight. The surface of the water is like the surface of your consciousness. The part that you're cognisant of. When it ripples – when it's interacting with the world around you it’s obvious and you’ll get ripples. The surface ripples are what you're commonly aware of. Train your conscious and subconscious mind for greater mental health.