A flood washes away the village late at night one night and Narada desperately tries to save his property, his children, his wife. Then he sees a quiet voice that he hears the quiet voice andNarada where is my water? He can see Vishnu's feet may be in sandals when he looks and looks up and sees Vishnu looking down at him. There is no river, there is no village, no flood, nothing. It is bright shining daylight Vishnu says to him and this is Maha. David Chalmers has used this story to describe what virtual reality could be like.