From Graham Cooke's Crafted Prayer:
You have to lose your ability to panic if you are going to walk with God. You have to lose your ability to worry if you are going to walk with God. There is a secret place set aside for each of us. God is love, and in his love, He has set aside a place where we can live in Him no matter what. He loves to teach people where that place is, because when His children get into their secret place, they can enjoy life fully. I does not matter what comes against them--they rise to the challenge. Without stillness our experience of God is limited. Stillness is the precursor to rest in the Lord, a spiritual discipline drawing us into continual experience of His presence. It is this rest, this stillness, this secret place of God, that releases unbroken communion with Him--it releases what the Bible calls unceasing prayer.