In the second place, experience of anything whatever gained through the ordinary educational channels, as well as being superficial, is invariably out of date. Experience of historical thinking, so gained, is modelled on textbooks, and textbooks always describe not what is now being thought by real live historians, but what was thought by real live historians at some time in the past when the raw material was being created out of which the textbook has been put together. And it is not only the results of historical thought which are out of date by the time they get into the textbook.
