The Lesson That Took Me Longest to Learn Is...

Season 5 Episode 524
Aired on 12/21/2014 | CC tv-14
It's one of the most thought-provoking questions Oprah asks: What is the lesson that has taken you longest to learn? Singer/songwriter John Legend says he's had to learn how to let himself evolve. "I think one of the most important things I've learned over the years is that we don't have to feel like we're stuck where we are," he says. "A lot of who we are depends on whether or not we are willing to learn, willing to work and willing to grow." Plus, find out what author Tracy McMillan now knows for sure about compassion.