The classical neo-Darwinian explanation of the development of life on Earth...has been to assign it totally to the sifting and preservation through the process of natural selection of the effects of small random genetic mutations. No reasonable person doubts that this is a component of the history of life but that it is the sole and and totally adequate cause of all that has happened is simply an article of blind belief.John Polkinghorne,
Belief in God in an Age of Science
page 94