Re: the existence of
Ok, there are two basic theories that people believe in.
Believers believe that this world has one common purpose and disbelievers believe this world came into existence randomly.
This world came into existence randomly can easily be refuted because this world is no more being affected by the randomness that disbelievers believe was the cause of creation of this world. If randomness was true, this world would must have been affected by that randomness. Instead, every object in the universe is in proper order.
If you could digest this bit, then I will explain you further how childish it is to believe this world came into existence randomly. I assume you understand graph theories.