Who created the Creator? You say everything is limited and must rely on something else that is also limited. Therefor, shouldn't someone or something have created the Creator?
If you don't believe in a creator because of the question, "Who created the Creator?". Then you must believe in evolution. Therefore you must ask yourself these questions:
Who or what started evolution?
If your answer might be, The Big Bang.
Then who or what started the Big Bang?
etc, ect, ect.
I myself believe in God who has always existed.