How could we have this perfect design without God?

There must be a God, we are much too complex to have just happened even in a trillion years. Most of the people who answered your question have no idea at just how complex "life" is and to them anything can be accomplished in a billion years and a little luck. More and more scientists are believing in Intelligent Design because they are continually finding out just how complex we are. We were not made by trial and error as evolutionists would have you believe, the fact that our eyes are not on our feet and our arms are not protruding from our back, etc is evidence of intelligent design.