Nevertheless, this type of propaganda has a special value, for it serves to convince those who sign the appeal, of the necessity for carrying on propaganda; so a corps of propagandists, if I may use the term, is thus trained.
I think you have to control the materials to an extent, but it's important to let the materials have a kind of power for themselves; like the natural power of gravity, if you are painting on a wall, it makes the paint trickle and it drips; there is no reason to fight that.
So often actors only mix with actors, which is quite incestuous, and doesn't give them the insight into how other people work.

