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In truth we talk only to ourselves, but sometimes we talk loud enough that others may hear us.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Black_vines_white_rectangle.tif/lossy-page1-400px-Black_vines_white_rectangle.tif.jpg)
The obvious is that which is never seen until someone expresses it simply.
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If the Milky Way were not within me how should I have seen it or known it?
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Unless I am a physician among physicians they would not believe that I am an astronomer.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/White_hand_black_rectangle.tif/lossy-page1-400px-White_hand_black_rectangle.tif.jpg)
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