Hello, first I want to apologize if I write something that you don't understand, but I don't speak English as my main language. I'll try to put this the best that I can:

This is a question to anyone with knowledge from physical laws, Relativity, Quantum Physics and so. I'll also put some questions to theists that base their belief in a Creator God, that is, a cause without cause.

1. Thermodynamic laws says: No matter or energy can be created from nothing but they may change from one to another. As I understand there are four transformation allowed:

Matter->Matter
Energy->Energy
Matter->Energy
Energy->Matter (I'm not sure about this)

So the Big Bang did not create anything, it just changed how things were disposed (how matter and energy were displaced in space and time). So, assuming it happened 15 billion years ago (or whenever it may have happened), Why did the matter and energy contained in the primitive universe need to be created at all? Why it cannot exist since forever based on that law?

2. Assuming the Big Bang in fact did create something: It created time. Isn't it absurd to question what was "before" the time itself? Since before and after are words that needs time to have a meaning.

3. Just today I've read an interesting theory in slashdot: Gravity curves time/space making time to be slower while greater the gravity is. That way, making a graphical time speed/gravity representation, time speed will tend asymptotically to zero as gravity grows to infinity (I've read before somewhere that time decelerates considerably in black holes). Assuming that all matter was concentrated in a point in the Big Bang and that gravity was inconceivably great in that point, couldn't it be that time speed was zero until the Big Bang instant? That goes to hypothesis 1: Time, space, matter and energy existed before the Big Bang (if it has any meaning) but just as time did literally not "pass" it was just like a photo. It has no "begining" because time speed before the Big Bang was zero (or almost equal to zero and decreasing as we go to the past).

What do you think of the three hypotheses? Could they be wrong? I'm not physicist and I don't have the needed knowledge about Relativity or Quantum Physics, just the things that I learned in school and the University and they were most classical physics.

And to theists: If someone doesn't correct this theories as wrong, how do you justify the existence of God as the Prime Creator based on causality since causality needs time to be considered?