I don't believe for the same reason I don't believe that garden gnomes come to life at night while we sleep and wreak havoc throughout the neighborhood. There isn't sufficient evidence to support the claim.
If you want me to believe in your god:
#1. Prove that a god exists.
#2. Prove that it is the god of your religion.
If you want me to believe in your god:
#1. Prove that a god exists.
#2. Prove that it is the god of your religion.