A lesson that has resonated through Oprah’s teachings for many years, tonight’s class is about learning from the past and moving forward. The lessons stirred so many areas – to let your past go, not to let what you have done in the past define who you are today and you can always learn from your life. When you know better, you truly do better. Watch it. Learn it. Live it.

From OWN: Oprah’s Teen Pregnancy Leads to a Second Chance – When Oprah was 14 years old, she became pregnant and gave birth to a baby who didn’t survive. Find out how this tragic event became a turning point in Oprah’s life.

From OWN: The Powerful Lesson Maya Angelou Taught Oprah – Oprah shares the powerful lesson author Maya Angelou, her friend and mentor, taught her many years ago. Find out why she says that Maya’s words, “when you know better, you do better,” are freeing for anyone who has ever made a mistake.

From OWN: What Oprah Learned After Interviewing Skinheads – After interviewing a group of skinheads in 1988, Oprah says she realized she’d allowed them to misuse her platform and create more negative energy in the world. From that day forward, Oprah made the decision to use her show to inform, enlighten and touch people’s lives. Watch as she looks back at that memorable show.

From OWN: Oprah Defends Her Tina Turner Wig – In 1998, Oprah packed up her show and followed Tina Turner around the country, living out one of her wildest dreams. To complete what Oprah calls the “ultimate groupie story,” she started wearing a wig that was designed to look like Tina’s signature hairstyle. Though producers think this is a “know better, do better” moment, Oprah doesn’t necessarily agree. Watch as she defends her infamous Tina wig.

From OWN: Lessons from Maya Angelou – Watch some of Maya Angelou’s greatest lessons.

From OWN: Dave and Mike Confront Their Past – Former white supremacists Dave and Mike talk about why they walked off the show in 1988 and how they’ve changed since.