Hall did not deny the gland’s biological function (producing melatonin and regulating circadian rhythms). Instead, he asserted that modern science only sees the “tomb” while ancient wisdom knew the “resurrection” of that organ. He wrote that the pineal gland contains (later confirmed by science as calcite microcrystals) which may act as transducers between light, electromagnetism, and consciousness—though Hall’s mystical conclusions go far beyond current research.
One of the most compelling aspects of Hall’s teaching is the explanation of why this faculty is largely dormant in modern humanity. the pineal gland the eye of god manly p hall pdf
He argued that while medical science classifies the gland as endocrine, its true purpose is . It regulates the "clock" of the body (circadian rhythms) only as a secondary function to regulating the "clock" of the soul—our connection to the eternal. Hall did not deny the gland’s biological function