I think that should really read "You should do what you feel IS RIGHT - of course." Not just sort of "You shoud do whatever you feel like". This was one of my favourite lines delivered by Guinness. I bet he added the 'of course' bit himself. Alec Guinness was always marvellous at portraying the devious side of human nature.
See the two scars added to Luke's face? These were added retrospectively - after I saw post-production shots of Mark Hamill's post-car crash face. Doesn't make sense! You'll see more of those.
