Hillary ClintonHillary Diane Rodham ClintonNo Hillary — the 'Third Way' is the wrong way The dangerous erosion of Democratic Party foundations The Hill's Morning Report - Presented by Facebook - Democrats see victory in a voting rights defeat MORE is revealing something she says she's "never shared" with anyone — her 2016 victory speech that never happened.

"I've never shared this with anybody. I've never read it out loud. But it helps to encapsulate who I am, what I believe in and what my hopes were for the kind of country that I want for my grandchildren and that I want for the world," the former Democratic presidential nominee says in a portion of her upcoming lesson on MasterClass. The course, focused on the "power of resilience," debuts Thursday, but a preview was released Wednesday on NBC's "Today."

In the video, Clinton reads the words she says she would have delivered on election night in New York in November 2016, had she not lost to former President TrumpDonald TrumpHeadaches intensify for Democrats in Florida Stormy Daniels set to testify against former lawyer Avenatti in fraud trial Cheney challenger wins Wyoming Republican activists' straw poll MORE.

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"My fellow Americans, today you sent a message to the whole world: Our values endure, our democracy stands strong and our motto remains 'e pluribus unum,' out of many one," Clinton, 74, says.

"You will not be defined only by our differences. We will not be an 'us versus them' country. The American dream is big enough for everyone,"

"Fundamentally, this election challenged us to decide what it means to be an American in the 21st century and by reaching for unity, decency and what President Lincoln called the better angels of our nature, we met that challenge," Clinton says, reading the never-was speech from an armchair.

She notes the historic nature of a scenario in which she had won and become the country's first woman president: "Today, with your children on your shoulders, neighbors at your side, friends old and new standing as one, you renewed our democracy. And because of the honor you have given me, you changed its face forever."

Clinton chokes up while speaking of her mother, and the hardships she endured. The former first lady and secretary of State says her mother, Dorothy Rodham, was abandoned by her parents and put on a train to California when she was 8 years old.

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"I think about my mother every day," says before her voice cracks, and she pauses before continuing in tears. "I wish I could walk down the aisle and find the little wooden seats where she sat, holding tight to her even younger sister, alone, terrified. She doesn't yet know how much she will suffer. She doesn't yet know she will find the strength to escape that suffering — that is still a long way off."

Rodham died in 2011.

"In a country divided by race and religion, class and culture, and often paralyzing partisanship, a broad coalition of Americans embraced a shared vision of a hopeful, inclusive, big-hearted America," Clinton says.

"An America where women are respected and immigrants are welcomed, where veterans are honored, parents are supported, and workers are paid fairly. An America where we believe in science, where we look beyond people's disabilities and see their possibilities, where marriage is a right and discrimination is wrong no matter who you are, what you look like, where you come from, or who you love."

"We all have a role to play in our great American story," Clinton says. "And yes, that absolutely includes everyone who voted for other candidates or who didn't vote at all."

Clinton is one of several high-profile political figures that MasterClass announced last month will be teaching some of its online lessons. Former President Bill ClintonWilliam (Bill) Jefferson ClintonBiden: A good coach knows when to change up the team Perdue proposes election police force in Georgia To boost economy and midterm outlook, Democrats must pass clean energy bill MORE will instruct a class on "empathetic leadership," while former President George W. Bush and Laura Bush will "share lessons from their experiences on the world stage." Former secretaries of State Madeleine Albright and Condoleezza Rice are also poised to teach courses debuting next year, MasterClass said.