Writer:	J. Michael Straczynski
Director:	John Lafia
Star:	Bruce Boxleitner (John Sheridan),  Bill Mumy (Lennier),  Andreas Katsulas (G'Kar),  Jason Carter (Marcus Cole),  Claudia Christian (Susan Ivanova),  Jerry Doyle (Michael Garibaldi),  Stephen Furst (Vir Cotto),  Richard Biggs (Dr. Stephen Franklin),  Peter Jurasik (Londo Mollari),  Patricia Tallman (Lyta Alexander),  Mira Furlan (Delenn),  Jeff Conaway (Zack Allan)
Recurring Role:	Denise Gentile (Lise Hampton)
Guest Star:	Mark Schneider (Wade),  Efrem Zimbalist Jr. (William Edgars),  Shelley Robertson (Ms. Constance),  Kenneth Cortland (Patient),  Sandy Grinn (Patient #2)

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Garibaldi: Mars. Three times before this place almost killed me. And now I have finally finished the job. I can't feel anything anymore. I don't know what I care about anymore, except Lise. I screwed up both our lives pretty good. Now I get to make up for it. Assuming any of us can ever make up for anything we have done in the past. Maybe we can't, maybe we just have to live with it and get on with it, and do what we have to, never what we want to. It has to be done. I hope you can see that one day. (edit) Sheridan: I just start to worry when things are going too well. (edit) Garibaldi: What you just told me, is that the whole truth?
Edgars: It's as close to the truth as you or anyone else will ever get, Mr. Garibaldi. (edit) Garibaldi: Today, President Clark has the power and we gave it to him, because we were afraid of the aliens and afraid of ourselves.
Edgars: And now he's given it to the telepaths. (edit) Edgars: Nobody takes power. They're given power by the rest of us, because we are stupid or afraid or both. (edit)

Continuity: After Lise brings Garibaldi dinner, she starts to leave, but stays and closes the door most of the way. After she finishes talking, Garibaldi moves across the room toward her and shuts the wide-open door. (edit) Typographical Error: The title as shown in first part of the episode is missing the leading "The." The "The" was present in the episode listings sent out by Warner Brothers, so it's included here. (edit)

Edgars: Clark's Night of Long Knives.
This is a reference to the reign of Roman Emperor Tiberius who in 31 A.D. has his aide Sejanus and his followers purged. (edit) Episode Title: The Exercise of Vital Powers
The title of ths episode is a reference to Aristotle's definition of happiness: "The exercise of vital powers along lines of excellence in a life affording them scope." (edit)