two four? >> larry: i guess simply put, do you believe in god? >> god may exist, but science can explain the universe without the need for a creator. >> larry: so he may. i'll pick up on that with the panel. your book has stirred a lot of controversy. why do you think people react so strongly to your contention that it's not necessary to invoke god to explain the creation of the universe? science is increasingly answering questions that used to be the province of religion. >> larry: one of your colleagues out of cambridge says that science provides us with a narrative as to how existence may happen, but theology addresses the meaning of the narrative. how do you respond to that?