We're called to emulate Christ. Tom tells Dickie he has a talent for impersonating practically anyone. Dickie asks him to do one for him. If only it was that easy to imitate Christ. Just because something is daunting, though, doesn't release us from the responsibility of doing it.
Laughter heals the soul.
Roger, a fugitive, is supposed to be hiding from the law. Instead, he sings and dances for the patrons of a bar, spreading joy and laughter to the downtrodden men. Eddie stops him and throws him back in hiding, chastising him. Roger defends himself, though, claiming that laughter and love change people. Sometimes laughter is the only thing that gets us through a rough situation.