All data are filtered, observation is necessarily 'theory-laden'. Norwood Russell Hanson More Quotes by Norwood Russell Hanson More Quotes From Norwood Russell Hanson Seeing is an experience. People, not their eyes, see. There is more to seeing than meets the eyeball. Norwood Russell Hanson eye people art The theory, hypothesis, framework, or background knowledge held by an investigator can strongly influence what is observed. Norwood Russell Hanson subjectivity objectivity influence There is no logical staircase running from the physics of 10-28 cm. to the physics of 1028 light-years. Norwood Russell Hanson light running science