In Vienna an enterprising firm supplied atrocity photographs with blanks for the headings so that they might be used for propaganda purposes by eithe… - Arthur Ponsonby, 1st Baron Ponsonby of Shulbrede

When the people of one country understand how the people in another country are duped, like themselves, in war-time, they will be more disposed to sympathize with them as victims than condemn them as criminal, because they will understand that their crime only consisted in obedience to the dictates of authority and acceptance of what their Government and Press represented to them as the truth.

Lying, as we all know, does not take place only in war-time. Man, it has been said, is not "a veridical animal," but his habit of lying is not nearly so extraordinary as his amazing readiness to believe. It is, indeed, because of human credulity that lies flourish. But in war-time the authoritative organization of lying is not sufficiently recognized. The deception of whole peoples is not a matter which can be lightly regarded. A useful purpose can therefore be served in the interval of so-called peace by a warning which people can examine with dispassionate calm, that the authorities in each country do, and indeed must, resort to this practice in order, first, to justify themselves by depicting the enemy as an undiluted criminal; and secondly, to inflame popular passion sufficiently to secure recruits for the continuance of the struggle. They cannot afford to tell the truth. In some cases it must be admitted that at the moment they do not know what the truth is.

When war is declared, Truth is the first casualty. books.google