"Behind the visible movement there is another movement, one which cannot be seen, which is very strong, on which the outer movement depends. If this inner movement were not so strong, the outer one would not have any action."

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So, you don't have laughs as a reference point any more, it becomes a bit of a science after that. And the last thing, you would love to be able to depend on a sense of spontaneity, but hours of waiting and then hours of repetition are not conducive to spontaneity so those are your obstacles. On the other hand it's a lot of fun. Plunging into a bit of physical comedy and abandoning all dignity, no one can really hurt you much after you much after that, once you've done it.

— Colin Firth