Can anyone identify this quote's source? I need it for an essay topic!

Applying to College
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<p>"Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts"</p>

<p>It's from Aristotle, but I was wondering from which one of his books. If anybody knows that would be great :)</p>

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<p>ARISTOTLE'S</a> NICOMACHEAN ETHICS: Book #2</p>

<p>This one. Using google helps.</p>

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<p>I was gonna say.... Google ftw.</p>