In his controversial 2011 documentary, Choosing to Die, Pratchett said that: ”When I can no longer write my books, I’m not sure that I will want to go on living.” The idea that some lives aren’t worth living ran through the programme, but we are more than our abilities. We matter because of our humanity; only things have value merely because of what they can do.

Terry Pratchett and the right to die debate - Greg Daly.

Daly also observes that “a right to die, once enshrined in law, could all too easily become a duty to die, especially for the most vulnerable and least obviously productive among us”.