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If I can’t picture it, I can’t understand it.

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I shall never believe that God plays dice with the world.

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If you can't explain it to a six year old, you don't understand it yourself.

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The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing.

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The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking.

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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.