Show me a satisfied man, and I'll show you a failure.

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

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The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.

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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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The intuitive mind is a sacred gift and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift.

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I never made one of my discoveries through the process of rational thinking

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Be kind to people who are different from you.

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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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We cannot get to where we dream of being tomorrow unless we change our thinking today.

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Failure is success in progress

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