At a given time some concrete forms are simply there in vision, not less than colors and brightnesses. - Wolfgang Köhler

How ‘real’ it is one feels when trying to form other groups…Most people will never get this other grouping as clear, stable, and optically real as the former one.

I do not deny that objective experience is imbued with acquired meaning in many respects... Probably no experience escapes from the influence of meaning.

Our present knowledge of human perception leaves no doubt as to the general form of any theory which is to do justice to such knowledge: a theory of perception must be a field theory. By this we mean that the neural functions and processes with which the perceptual facts are associated in each case are located in a continuous medium.