When I was doing Arenas dying of Aids, I watched Philadelphia 13 or 14 times, because I thought Tom Hanks was making good choices.
When you're working with the best, it helps you to be good because then you are focusing on what you have to do.
All of the good movies are based on how that story was told. And you cannot do it with a bad script, that's for sure, no matter who.
I will work with a director who has good material because at the end of the day, that's what counts.