The body is sometimes limited by external conditions, the mind is not, and the expression of thoughts is free. Even if this idea is not accepted by the society at that time, it is your freedom to write or not to write, and no one can stop it. In the movie, Sade didn't have a quill, so he used bone dipped in red wine to write on the sheets and blood on his clothes... Unless he died, he just wanted to write, to write those "degenerate" and "crazy" story. Writing is his instinct and will not abandon it.
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