Without Pentecost the Christ-event - the life, death, and resurrection of Jesus - remains imprisoned in history as something to remember, think about and reflect on. The Spirit of Jesus comes to dwell within us, so that we can become living Christs here and now - Henri Nouwen

O Holy Spirit, descend plentifully into my heart. 
Enlighten the dark corners of this neglected dwelling and scatter there, Your cheerful beams - Saint Augustine