christine sine writes some simple and lovey prayers and liturgies. this prayer is as simple as they come but perhaps all the better for that simplicity. i really like using breath as a means for prayer. i don't exactly remember the reference but there is a really good reflection on one of rob bell's videos where he suggests that for jews the name of god is like the sound of breathing – yahweh without the vowels pronounced and that in the very act of breathign the neame of god is on our lips. christine suggests some passges that came to mind when she was reflecting on this prayer

Breathe out empty yourself: of hate, of fear, of anxiety
Breathe in fill yourself with love, with life, with mercy
Breathe out empty yourself of busyness, of selfishness of greed
Breathe in fill yourself with peace, with joy, with hope
Breathe out empty yourself of idolatry, of self worship, of false gods
Breathe in fill yourself with God, with Christ, with the Holy Spirit

as is her tradition she has also composed an advent video focussing on christ's coming not so much as a baby but as a bringer of justice.