TO SEE IS TO PERCEIVE WITH THE EYES.

THE EYE IS LITTERALLY AN OUTGROWTH OF THE BRAIN.

SOUNDS ARE SENSATIONS STIMULATED IN THE EAR BY VIBRATIONS IN THE AIR OR OTHER MEDIUM.

NEITHER SIGHTS NOR SOUNDS ARE INDEPENDENT OF THE BRAIN.

THE WORLD THAT IS INDEPENDENT OF THE BRAIN CONTAINS NEITHER SIGHTS NOR SOUNDS.

A WOOD FIRE DRAWS IN OXYGEN AND EXPELS CARBON DIOXIDE.

WHEN A PERSON BREATHS THEY DRAW IN OXYGEN AND EXPEL CARBON DIOXIDE.

ELECTRONS ARE EXCHANGED IN BOTH CASES.

A PERSON AND A WOOD FIRE ARE BOTH WARM FOR THE SAME REASON.