“Do you wish to be happy? Do you want to know how to spend the day truly blessed? I offer you a drink that is spiritual. This is not a drink for drunkenness that would cut off even meaningful speech. This does not cause us to babble. It does not disturb our vision. Here it is: Learn to sing Psalms! Then you will see pleasure indeed. Those who have learned to sing with the psalms are easily filled with the Holy Spirit.”

(Chrysostom, Homily on Ephesians 19.5.19-21; from Galatians, Ephesians, Philippians (Ancient Christian Commentary on Scripture))