You have to still be surprised by the text, you cannot just do it by the rehearsal. You have to still bring it to life. There's a danger of a knee-jerk response that "Oh, I already know this." The worst thing for an actor is when you do everything by rope and something wakes you up and you realize it wasn't alive anymore. When you are no longer thinking about dialogue AS dialogue, when you know it in your heart - there is freedom. You can start it and it will just take it where it will take you. Consider- How many years have you spent in your body? There are certainly things that still surprise you about yourself. You are still discovering yourself and when you are acting- it must be the same way, you must still be surprised and always learning. There are always going to be parts of a play or film that you feel you didn't hit, that you didn't discover - and theses are opportunities for discovery. Viola - Do you ever look at a performance of yourself and...