Does ALLAH Exists

This is one of the best explanations of why Allah allows pain and suffering that I have seen:
A man went to a Barbershop to have his hair cut and his beard trimmed. As the barber began to work, they began to have a good conversation. They talked about so many things and various subjects when they eventually touched on the subject of Allah
The Barber said: I don’t believe that Allah Exists.
Why do you say that? Asked the customer.
Well, you just have to go out in the street & realize that Allah doesn’t exist. Tell me if Allah Exists, would there be so many sick people?

Would there be abandoned Children? If Allah existed, there would be neither suffering nor pain. I can’t imagine a loving Allah who would allow all of these things. The customer thought for a moment, but didn’t respond because he didn’t want to start an argument.
The Barber finished his job and the customer left the shop. Just after he left the barbershop, he saw a man in the street with long, stringy, dirty hair and untrimmed beard, he looked dirty and unkempt.
The customer turned back and entered the barbershop again and said to the barber: You know what? Barbers do not exist. How can you say that? Asked the surprised Barber. I am here, and I am a Barber, & I just worked on you!
No! The customer exclaimed. “Barbers don’t exist because if they did, there would be no people with dirty long hair and untrimmed beard, like that man outside.
Ah, But Barbers do exist! That’s what happens when people do not come to me.”
Exactly, affirmed the customer. “that’s the Point!
Allah, too, exist! That’s what happens when people do not go to HIM and don’t look to HIM for Help. That’s why there’s so much pain and suffering in the World”.