Josef und Shizuko Muller-Brockmann - 'History of the Poster'

'Designers generally examine their design subjectively and emotionally, on the basis of their experience with an instinctive feeling for what is admissible or superfluous.'

-MB

-p.19

The Experimental Poster

p208

'Experiments in the sphere of design are generally the direct consequence of revolutionary breakthroughs in concepts of form which previously had fixed conventions.'

'The mainspring of experimentation - leaving the familiar, safe ways and methods and thrusting forward into the unknown - leads, at the very least, to the experience of new perspectives.'