Many ancient prayers have a lot to say to us. This one seems appropriate for Hallowe'en with it's frequent focus on darkness. (Not that I am against trick or treating. There's plenty of candy at my house and my son has a ninja costume this year. But I like to keep my focus on God.)
Look upon us, O Lord,
and let all the darkness of our souls
vanish before the beams of thy brightness.
Fill us with holy love,
and open to us the treasures of thy wisdom.
All our desire is known unto thee,
therefore perfect what thou hast begun,
and what thy Spirit has awakened us to ask in prayer.
We seek thy face,
turn thy face unto us and show us thy glory.
Then shall our longing be satisfied,
and our peace shall be perfect.
(Augustine, 354 - 430)
Read more at: http://www.faithandworship.com/early_Christian_prayers.htm#ixzz1cOIqC5Ap
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Hope that prayer is as meaningful for you as it is for me.