Stillness is tranquility of the inner life, the quiet at the depths of its hidden stream. Stillness is a collected, total presence, a being all there, receptive, alert, ready.
I think often we get sidetracked around the public responsibility of the poet. We don't spend a lot of time talking about the private responsibility of the poet. Which maybe we should. Very recently, I had my thesis students start "required daydreaming." They have to sit there and daydream. And they can't do anything else.