There is no reason why an extraphysical general principle is necessarily to be avoided, since such principles could conceivably serve as useful working hypotheses. For the history of scientific research is full of examples in which it was very fruitful indeed to assume that certain objects or elements might be real, long before any procedures were known which would permit them to be observed directly.
David BohmSimilarly, thought is a system. That system not only includes thought and feelings, but it includes the state of the body; it includes the whole of society - as thought is passing back and forth between people in a process by which thought evolved from ancient times.
David Bohm...consciousness is a coherent whole, which is never static or complete, but which is in an unending process of movement and unfoldment.
David BohmYet, in spite of this world-wide system of linkages, there is, at this very moment, a general feeling that communication is breaking down everywhere, on an unparalleled scale.
David BohmFrom the outset, however, this whole controversy has been plagued by tacit assumptions, very often of a philosophical rather than a physical character.
David Bohm