Commencement addresses don't stop inspiring young people the day they pack up their textbooks to go home. The best of these speeches plant seeds inside the hearts and minds of graduates that grow into achievements years, even decades, later.

Famous speakers like Oprah Winfrey, Desmond Tutu, Jon Stewart, and others whose words follow, encourage all of us to forge ahead on our spiritual journeys, to remember our dreams, and to find hope, purpose, and peace in our lives.

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