Elie and Oprah at the entrance gate

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The entrance gate to Auschwitz I bears the German words, Arbeit Macht Frei. "'Work makes you free,'" Professor Wiesel translates. "And that is the first ironic statement ever made here."

"This iron gate is one of the most infamous symbols of evil still standing," Oprah says. "Yet as you pass through it, there is a feeling of sacredness, haunting memory—something achingly sad and holy."

"There's so much suffering here in this place, so much agony," Professor Wiesel says. "How grateful I should be that I'm here, and look—you and I are here walking, remembering, helping, thinking of what to do with our lives, with our memories. It is kind of enriching."