Robin Williams' Most Memorable Lines: His Best Moments in Photos

"Na-Nu Na-nu." Mork (Mork & Mindy)

JIim Britt—ABC/Getty Images

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"Go on, lean in. Listen, you hear it? — Carpe — hear it? — Carpe, carpe diem, seize the day boys, make your lives extraordinary." John Keating (Dead Poet’s Society)

Buena Vista Pictures

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"Now in this class you can either call me Mr. Keating, or if you're slightly more daring, O Captain, my Captain." John Keating (Dead Poet’s Society)

Buena Vista Pictures

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"Bangarang!" Peter Pan (Hook)

TriStar Pictures

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"You'll have bad times, but it'll always wake you up to the good stuff you weren't paying attention to." Sean Maguire (Good Will Hunting)

Miramax

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"You don't know about real loss, 'cause it only occurs when you've loved something more than you love yourself." Sean Maguire (Good Will Hunting)

Miramax

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"To be my own master. Such a thing would be greater than all the magic and all the treasures in all the world." Genie (Aladdin)

Disney

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"You treat a disease, you win, you lose. You treat a person, I guarantee you, you'll win, no matter what the outcome." Hunter “Patch” Adams (Patch Adams)

Universal Pictures

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"Good morning, Vietnam! Hey, this is not a test. This is rock and roll. Time to rock it from the delta to the DMZ!" Adrian Cronauer (Good Morning, Vietnam)

Buena Vista Pictures

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"Helloooooo!" Mrs. Doubtfire (Mrs. Doubtfire)

20th Century Fox

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"But if there's love, dear... those are the ties that bind, and you'll have a family in your heart, forever. All my love to you, poppet, you're going to be all right... bye-bye." Mrs. Doubtfire (Mrs. Doubtfire)

20th Century Fox

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"A whole human life is just a heartbeat here in Heaven. Then we'll all be together forever." Chris Nielsen (What Dreams May Come)

Polygram Filmed Entertainment

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By Joseph C. Lin

August 12, 2014 4:02 PM EDT

Robin Williams’ diverse films have been been enjoyed by millions around the world.

Take a look back at some of the most memorable lines he’s brought to life in a career spanning more than thirty years.