Sometimes, because of mental derangement, the land appears to be moving. A drunkard, for example, or a person with heart disease, sometimes feels that the land is moving. Similarly, the reflections of trees in a flowing river also appear to move. These are the actions of maya. Actually the living entity does not move (sthanur acalo yam). The living entity does not take birth or accept death, but because of the transient subtle and gross bodies, the living entity appears to move from one place to another or be dead and gone forever. As the great Bengali Vaisnava poet, Jagadananda Pandita, has said: