The Aeschylus quote Frank says near the end is a minor revision of the quote RFK spoke announcing the assassination of MLK.
The actor who plays Rick Wolf is Myles Clohessy, son of series regular Robert Clohessy who plays Sid Gormley.
Last episode for Reverend Potter (thank god)
The poem quoted by Big Rick Wolf (played by Bruce McGill) is "First Fig" by Edna St. Vincent Millay:
My candle burns at both ends;
It will not last the night;
But ah, my foes, and oh, my friends-
It gives a lovely light.