Propaganda must not serve the truth especially not insofar as it might bring out something favorable for the opponent

But the most brilliant propagandist technique will yield no success unless one fundamental principle is borne in mind constantly and with unflagging attention. It must confine itself to a few points and repeat them over and over. Here, as so often in this world, persistence is the first and most important requirement for success.

Propaganda must not serve the truth, especially insofar as it might bring out something favorable for the opponent.

All propaganda has to be popular and has to accommodate itself to the comprehension of the least intelligent of those whom it seeks to reach. -Adolf Hitler

All propaganda has to be popular and has to adapt its spiritual level to the perception of the least intelligent of those towards whom it intends to direct itself.

As soon as by one's own propaganda even a glimpse of right on the other side is admitted, the cause for doubting one's own right is laid