No one but a fool is always right. - David Hare

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I don't like changing with the wind; I like sticking to my own self.

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Knowledge earns you power, character earns you respect.

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If you know you are on the right track, if you have this inner knowledge, then nobody can turn you off… no matter what they say.– Barbara McClintock

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Real knowledge is to know the extent of one's ignorance.

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The trouble with the world is not that people know too little; it's that they know so many things that just aren't so.

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Thought must be divided against itself before it can come to any knowledge of itself.

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When everything seems to be going against you, remember that the airplane takes off against the wind, not with it. — Henry Ford

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You don't need a weatherman to know which way the wind blows. — Bob Dylan

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Beware of false knowledge; it is more dangerous than ignorance.

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