Insanity: doing the same thing over and over again and expecting different results.

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Strive not to be a success, but rather to be of value.

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I don't need to know everything, I just need to know where to find it, when I need it

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Be a voice not an echo.

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Great spirits have always encountered opposition from mediocre minds. The mediocre mind is incapable of understanding the man who refuses to bow blindly to conventional prejudices and chooses instead to express his opinions courageously and honestly.

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Just because you believe in something does not mean that it is true.

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

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God did not create evil. Just as darkness is the absence of light, evil is the absence of God.

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Knowledge is realizing that the street is one way; wisdom is looking in both directions anyway.

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Everyone knew it was impossible, until a fool who didn't know came along and did it.

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