part, it was possible to show why the eye-witness saw one set of incidents, while Acts described quite a different set. The historian who is to give a brief history of a great period need not reproduce on a reduced uniform scale all the facts which he would mention in a long history, like a picture reduced by a photographic process. If a brief history is to be a work of true art, it must omit a great deal, and concentrate the reader’s attention on a certain number of critical points in the development