The reasonable man adapts himself to the world; the unreasonable one persists to adapt the world to himself. Therefore all progress depends on the unreasonable man.

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The longer I live, the more convinced am I that this planet is used by other planets as a lunatic asylum.

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I learned long ago, never to wrestle with a pig. You get dirty, and besides, the pig likes it.

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Don't lose faith. Promise yourself that you will be a success story, and I promise you that all the forces of the universe will unite to come to your aid; you might not feel today or for a while, but the longer you wait the bigger the prize.

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The person I miss most is the one I could have been.

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Write your Sad times in Sand, Write your Good times in Stone.

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Life contains but two tragedies. One is not to get your heart's desire; the other is to get it.

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We don't stop playing because we grow old; we grow old because we stop playing.

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This is the true joy in life: Being used for a purpose recognized by yourself as a mighty one, being a force of nature instead of a feverish, selfish little clod of ailments and grievances, complaining that the world will not devote itself to making you happy. I am of the opinion that my life belongs to the whole community and as long as I live, it is my privilege to do for it what I can. It is a sort of splendid torch which I have got hold of for the moment and I want to make it burn as brightly as possible before handing it on to future generations.

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People who say it cannot be done should not interrupt those who are doing it.

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