My Challenge to Intelligent Design Creationists

I received a message that essentially said: "As a scientist I believe God used evolution to bring life forms into existence." My response is short but sweet:

Where is the evidence that evolution is being guided by a god? Asking for this evidence is a reasonable request. But it doesn't exist. No one ever observes a god doing anything. Since this evidence doesn't exist, the god hypothesis is an unnecessary one. An unnecessary hypothesis is one we can do without. To accept some other reason apart from science to believe that a god guides evolution, is accepting that which lies outside the parameters of science. Since science is the only way to know the nature of nature and its workings, a god probably isn't guiding evolution.