Out of many, we are one nation and we are one people.

WHITEHOUSE: President Obama Speaks at the University of Yangon

They are expressions of the fact that we are one nation.

WHITEHOUSE: President Obama Speaks at the Associated Press Luncheon

We are one nation.

WHITEHOUSE: Remarks by the President at Detroit Labor Day Event

"We are a huge nation, and this one building alone requires far more than 15 dogs that are highly trained, " Melville remembered thinking.

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In other words, we are already a feminist nation as well as one that believes strongly in the value of marriage.

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Your selfless service shows who we are, who we always will be -- united as one people and united as one nation -- for you embody and stand up for the values that make us what we are as a people.

WHITEHOUSE: President Obama Speaks to Troops in Afghanistan

We are dealing with one of the worst natural disasters in our nation's history.

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One of the great things about America is that we are a nation of doers -- not just talkers, but doers.

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We are a nation that, 234 years ago, declared our independence from one of the greatest empires the world had ever known.

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We are a nation of people collectively moving forward, and I am proud to be one of them.

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We are here for one reason and only one reason: to assist in the development of the capacity of this great nation.

WHITEHOUSE: The White House