Gen. Ch 2:17 "But of the tree of the knowledge of good and evil, thou shalt not eat of it: for in the day that thou eatest thereof thou shalt surely die."
The reason that the "Day" word is significant is that in the previous chapter christians insist that the earth was created in 7 days. but here they say, the word is not to be interpreted literally.
As far as nudity. (Another subject I'm interested in

Incidentally, I've seen some beautiful bodies and I've also seen some where i wish they had left their clothes on. But glorification of the physical should never be the intent of skyclad. It can be a very profound experience if conducted in a mature way.