[font=Verdana]It depends on who that 'someone' is. I would not probably believe him if he is also a human just like us. If it is a being beyond our comprehension, just like an alien, then I would most likely believe in it. However, each has their own perspective and belief of the reason for our existence in this world from our experiences starting from birth until death. In short, it is subjective enough to tell a definite answer (true) on this matter.
There are too many things in this world that cannot be dealt with by a single person, that's why we choose our fields of specialization, and try to be good at it to benefit ourselves and other people, as well. That is how civilization works up until now.
What would you do if you saw someone being robbed and threatened with a knife in an alleyway?[/font]