It was during the War, however, that we had the best chance of estimating the tremendous results which could be obtained by a propagandist system properly carried out. Here again, unfortunately, everything was left to the other side, the work done on our side being worse than insignificant. It was the total failure of the whole German system of information--a failure which was perfectly obvious to every soldier--that urged me to consider the problem of propaganda in a comprehensive way. I had ample opportunity to learn a practical lesson in this matter; for unfortunately it was only too well taught us by the enemy. The lack on our side was exploited by the enemy in such an efficient manner that one could say it showed itself as a real work of genius. In that propaganda carried on by the enemy I found admirable