Before Nelson Mandela was arrested in 1962 he was an angry relatively young man. He founded the ANC's military wing. When he was released he surprised everyone because he was talking about reconciliation and forgiveness and not about revenge.
It was difficult being a teacher and out of the closet in the '50s. By the time I retired the English department was proud of having a gay poet of a certain minor fame. It was a very satisfactory change!