Nay - who is it that has created the heavens and the earth, and sends down for you [life-giving] water from the skies? For it is by this means that We cause gardens of shining beauty to grow - [whereas] it is not in your power to cause [even one single of] its trees to grow! Could there be any divine power besides God? Nay, they [who think so] are people who swerve [from the path of reason]!