# The redness of red that I perceive so vividly cannot be precisely communicated to another… by Francis Crick > "The redness of red that I perceive so vividly cannot be precisely communicated to another human being." > **— Francis Crick**, *The Astonishing Hypothesis (1994), excerpt candidate* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: The Astonishing Hypothesis (1994), excerpt candidate.