Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.

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Do not grow old, no matter how long you live. Never cease to stand like curious children before the Great Mystery into which we were born.

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Failure is success in progress

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Men marry women with the hope they will never change. Women marry men with the hope they will change. Invariably they are both disappointed.

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Those who have the privilege to know have the duty to act.

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Don't listen to the person who has the answers; listen to the person who has the questions.

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We can't solve today's problems with the mentality that created them.

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Persistence is the most powerful force on earth, it can move mountains.

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Genius is making complex ideas simple, not making simple ideas complex

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If you can't explain it simply, you don't understand it well enough.

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