Experience always presents us with objects, things, events, etc., within certain contexts and contextures, and never with isolated and scattered data and facts. Looking at a material thing, e.g., a book, we perceive it in certain surroundings. We see the table on which the book is lying, we see other books, papers, pencils, pipes, and through the window a segment of scenery outside the house. Every material thing is perceived amidst other things which form a background for its appearance. Correspondingly, the same is true with regard to thinking. When we are dealing with some theoretical problem, more than the problem alone is given to consciousness.
Gurwitsch, A. (2010). Author's introduction, in The collected works of Aron Gurwitsch (1901-1973) III, Dordrecht, Springer, pp. 1-10.
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