Textual scholar Bart D. Ehrman writes: "It is true, of course, that the New Testament is abundantly attested in the manuscripts produced through the ages, but most of these manuscripts are many centuries removed from the originals, and none of them perfectly accurate. They all contain mistakes – altogether many thousands of mistakes. It is not an easy task to reconstruct the original words of the New Testament..." In reference to the textual evidence for the New Testament, Bruce M. Metzger wrote,