Right now make a simple decision to move your index finger. Now wiggle your toes. Next, lift your arm. Finally, ask yourself, What is it that allows me to make these movements? In other words, what is it that allows you to see shapes and colors? What force behind your eyes invisibly signals you to process the sky as blue or a tree as tall? What is the formless energy that tweaks a vibration somewhere in your ear to give rise to sound?
