Oprah Winfrey
Spelman College

Excerpt: "You must have some kind of vision for your life, even if you don't have a plan. Do the right thing, even when other people think it may not be."

Photo: Oprah Winfrey attends the Spelman College Commencement at Georgia International Convention Center on May 20, 2012, in College Park Ga.

Credit: Rick Diamond/Getty Images