The Christian is not like an infant crying loudly for his mother’s breast, but like a weaned child that quietly rests by his mother’s side, happy in being with her… No desire now comes between him and his God; for his sure that God knows what he needs before he asks him. And just as the child gradually breaks off the habit of regarding his mother only as a means of satisfying his own desires and learns to love her for her own sake, so the worshiper after a struggle has reached an attitude of mind in which he desires God for himself and not as a means of fulfillment of his own wishes. His life’s center of gravity has shifted. He now rests no longer in himself but in God.

–John Calvin, Commentary on the Psalms, quoted by Eugene Peterson, A Long Obedience in the Same Direction: Discipleship in an Instant Society.