Its editor is of opinion that it was written by a Jewish Christian in Egypt in the 2nd century A.D., but that it embodies legends of an earlier date, and that it received its present form in the 9th or 10th century.
Sir Isaac Newton, in his Opticks (1704), explains the principle of the camera obscura with single convex lens and its analogy with vision in illustration of his seventh axiom, which aptly embodies the correct solution of Aristotle's old problem.
Plato (Rep. x.) embodies the idea in one of his finest myths.
The book of Nehemiah is really part of the same work with the book of Ezra, though it embodies certain memoirs of Nehemiah in which he writes in the first person.
The crypt embodies remains of the founder's work; the rest is Transitional Norman and Early English in style.