It is (to describe it figuratively) as if an author were to make a slip of the pen, and as if this clerical error became conscious of being such. Perhaps this was no error but in a far higher sense was an essential part of the whole exposition. It is, then, as if this clerical error were to revolt against the author, out of hatred for him, were to forbid him to correct it, and were to say, "No, I will not be erased, I will stand as a witness against thee, that thou art a very poor writer.