SB 4.29.30-31 — The living entity is exactly like a dog who, overcome with hunger, goes from door to door for some food. According to his destiny, he sometimes receives punishment and is driven out and at other times receives a little food to eat. Similarly, the living entity, being influenced by so many desires, wanders in different species of life according to destiny. Sometimes he is high, and sometimes he is low. Sometimes he goes to the heavenly planets, sometimes to hell, sometimes to the middle planets, and so on..