"Because I came from a very undiverse school and bunch of university friends, I think that I’ve hung on, on the diversity issue, to the feeling that I wouldn’t know how to write those parts. I think I was just sort of stupid and wrong about that. [...] I just don't know. I feel as though me, my casting director, my producers, just didn't think about it, just didn't look outwards enough."
January 1, 1970
https://en.wikiquote.org/wiki/Richard_Curtis