And he said was that when i was at harvard law school, i had a teacher who change my life. Martha. Martha minow. It is a delight to be here and i learned so much from you through the years so thank you for doing that. I couldnt pass this opportunity up. Love the book because it has your compassionate and brilliant, and is wise and it is grounded and provocative. How did you come to this legendary career but excess to the highest cause of legal power to writing a book about forgiveness. I read a book about 20 years ago about responses to mass violence. And at that time, my Conciliation Commission in south africa had just started. I was so intrigued by the development of new Legal Institution to deal with really horrific violence and oppression. And i read the book and i called it between engines and forgiveness and finding an alternative to two different responses to horrific acts. Enter since time have people suddenly, why between. Why cant it just forget. And it exit me. So that what