"It's like having lived through five years of living hell on earth," says Benjamin Lesser.

Lesser has survived through things that are unimaginable to most. When he was eleven, he and his family were rounded up by the Nazis and hauled away to concentration camps.

Lesser says, “From the seven of us, the only survivors are myself and my sister Lola.”

He would spend five years in concentration camps.

“Do I mourn the loss of my childhood? Yes! I never had a childhood,” says Lesser.

On the day we met Lesser, he spoke to students at Sage Ridge High School.

Students in the audience were moved. “He’s very optimistic and I think that says a lot after what he's been through," says Shadi Farahi.

“As a Jew myself, as a minority, you have the power to make a difference,” adds her sister Sahar.

Lesser’s hope is that children of the future never have to survive the things he lived through.

He says,” The Nazis didn't start by killing, they started with hate."

Benjamin Lesser founded The Zachor Holocaust Remembrance Foundation

For more information about the foundation: http://www.zachorfoundation.org/