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Excerpts of Michelle's speech

From NBC's Mark Murray
The Obama campaign has released the excerpts of Michelle Obama's speech tonight.

"But each of us also comes here tonight by way of our own improbable journey. I come here tonight as a sister, blessed with a brother who is my mentor, my protector and my lifelong friend. I come here as a wife who loves my husband and believes he will be an extraordinary president. I come here as a Mom whose girls are the heart of my heart and the center of my world - they're the first thing I think about when I wake up in the morning, and the last thing I think about when I go to bed at night. Their future - and all our children's future - is my stake in this election.

"And I come here as a daughter - raised on the South Side of Chicago by a father who was a blue collar city worker, and a mother who stayed at home with my brother and me. My mother's love has always been a sustaining force for our family, and one of my greatest joys is seeing her integrity, her compassion, and her intelligence reflected in my own daughters."

More: "And Barack and I were raised with so many of the same values: that you work hard for what you want in life; that your word is your bond and you do what you say you're going to do; that you treat people with dignity and respect, even if you don't know them, and even if you don't agree with them."

"And Barack and I set out to build lives guided by these values, and pass them on to the next generation. Because we want our children - and all children in this nation - to know that the only limit to the height of your achievements is the reach of your dreams and your willingness to work for them."

"And in the end, after all that's happened these past 19 months, the Barack Obama I know today is the same man I fell in love with 19 years ago. He's the same man who drove me and our new baby daughter home from the hospital ten years ago this summer, inching along at a snail's pace, peering anxiously at us in the rearview mirror, feeling the whole weight of her future in his hands, determined to give her everything he'd struggled so hard for himself, determined to give her what he never had: the affirming embrace of a father's love."