DURHAM, N.C. (AP) -- Oprah Winfrey urged graduates at Duke University's commencement to "stand proudly in your own shoes while you help others stand in theirs."

Winfrey also collected an honorary doctor of humane letters degree from the university in Durham, N.C., on Sunday.

She shared stories with the 4,400 graduates about interviewing celebrities such as Hugh Jackman and Nelson Mandela. She says it is the ordinary people that often inspire her even more.

She repeated her theme that "one of the best ways to enhance your own life is to enhance somebody else's."

Winfrey also emphasized the need to make wise choices daily, saying, "Each of us has to stand in our own shoes. Will you stand in them in humility and compassion and courage? Every day will give you a chance to make that choice."

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On the Net:

Duke commencement Web video: http://live.oit.duke.edu/