This material world is described as padaà padaà yad vipadäm [SB 10.14.58], which means that at every step there is danger. A fool wrongly thinks that he is happy in this material world, but in fact he is not, for one who thinks that way is only illusioned. At every step, at every moment, there is danger. In modern civilization one thinks that if he has a nice home and a nice car his life is perfect. In the Western countries, especially in America, it is very nice to possess a good car, but as soon as one is on the road, there is danger because at any moment an accident may take place and one will be killed. The record actually shows that so many people die in such accidents. Therefore if we actually think that this material world is a very happy place, this is our ignorance. Real knowledge is that this material world is full of danger. We may struggle for existence as far as our intelligence allows and may try to take care of ourselves, but unless the Supreme Personality of Godhead, Kåñëa, ultimately saves us from danger, our attempts will be useless.