"Caste is a system that decides one kind deserves more freedom than another." "You should love who you love and go where you want." Isabel Wilkerson , first woman of African-American heritage to win a Pulitzer Prize in journalism, and author of Caste: The Origins of Our Discontents . Photo courtesy of isabelwilkerson.com Ava DuVernay's 'Origin' stars Aunjanue Ellis-Taylor as Isabel Wilkerson . Photo courtesy of Neon. The above quotes were paraphrased from Aunjanue Ellis-Taylor 's portrayal of Pulitzer-winning Isabel Wilkerson in Ava DuVernay's 'Origin '. They were denouncing the harsh caste system against races all over the world, and favoring that we should get to be with who we want to love and live our lives without anyone or thing tearing us down. ' Origin ' is about Wilkerson's journalistic journey to understand the why behind the murder of Tray'von Martin (whose birthday is today) and the racist caste systems ag...