One of the most beautiful prayers I've ever heard is in Numbers 6:22-27. Some call it Aaron's Blessing, but I call it God's Blessing. I have heard the Prime Minister Benjamin Netanyahu of Israel pray this prayer and coming from him was like music to my ears. 

22 And the Lord spake unto Moses, saying,

23 Speak unto Aaron and unto his sons, saying, On this wise ye shall bless the children of Israel, saying unto them,

24 The Lord bless thee, and keep thee:

25 The Lord make his face shine upon thee, and be gracious unto thee:

26 The Lord lift up his countenance upon thee, and give thee peace.

27 And they shall put my name upon the children of Israel, and I will bless them.