It has become appallingly obvious that our technology has exceeded our humanity.

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Let every man judge according to his own standards, by what he has himself read, not by what others tell him.

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

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

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Three great forces rule the world: stupidity, fear and greed.

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Thinking is hard work; that's why so few do it.

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In the middle of every difficulty lies opportunity.

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The same thinking that has led you to where you are is not going to lead you to where you want to go.

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I must be willing to give up what I am in order to become what I will be.

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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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