For example, in painting the form arises from abstract elements of line and color, while in cinema the material concreteness of the image within the frame presents - as an element - the greatest difficulty in manipulation.
Sergei EisensteinThe profession of film director can and should be such a high and precious one; that no man aspiring to it can disregard any knowledge that will make him a better film director or human being.
Sergei Eisenstein