(I heard myself close my eyes, then open them.)
All solitary dreamers know that they hear differently when they close their eyes. and when we want to think hard, to listen to the inner voice, or compose the tightly constructed key sentence that will express the very core of our thinking, is there one of us who hasn’t his thumb and forefinger pressed firmly against his lids? The ear knows then that the eyes are closed, it knows that it is responsible for the being who is thinking and writing. Relaxation will come when the eyes are reopened.
P.S. The first four words of this post take you to more.