In my quest for the peace that only the Lord can deliver, I came across this paraphrase of Psalm 23 in Linda Dillow's book Calm My Anxious Heart (a must read in my opinion).
The Lord is my peace. I shall not live in anxiety. He puts me under His wing of comfort and calms my spirit within me. He takes all my anxieties on Himself and helps me to focus on Him. Yes, though I walk through a time of grave uncertainties and fierce anxieties. I will not fret for You are my peace. Your Word and Your presence calm me now. You hold my uncertainties in the palm of Your hand. You soothe my anxious mind – You smooth my wrinkled brow. Surely serenity and trust in You shall fill me all the days of my life. And I shall keep my mind stayed on You forever.