It is often more important to act than to understand... there are times... when two conflicting opinions, though one happens to be right, are more perilous than one opinion which is wrong.

In documentary we deal with the actual, and in one sense with the real. But the really real, if I may use that phrase, is something deeper than that. The only reality which counts in the end is the interpretation which is profound

Beware the ends of the earth and the exotic: the drama is on your doorstep wherever the slums; are, wherever there is malnutrition, wherever there is exploitation and cruelty.

Art is not a mirror but a hammer.

The oblique paradox of propaganda is that the lie in the throat becomes, by repetition, the truth in the heart.

It is often more important to act than to understand... there are times... when two conflicting opinions, though one happens to be right, are more perilous than one opinion which is wrong.

When quick results are imperative, the manipulation of the masses through symbols may be the only quick way of having a critical thing done.