The second thing for you to realize is that power is power over human beings. Over the body but, above all, over the mind. Power over matter --external reality, as you would call it --is not important. Already our control over matter is absolute.
 George Orwell, 1984 (1949). copy citation

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Author George Orwell
Source 1984
Topic reality power
Date 1949
Language English
Reference
Note
Weblink http://gutenberg.net.au/ebooks01/0100021.txt

Context

“Itmust be so, because every human being is doomed to die, which is the greatest of all failures. But if he can make complete, utter submission, if he can escape from his identity, if he can merge himself in the Party so that he is the Party, then he is all-powerful and immortal. The second thing for you to realize is that power is power over human beings. Over the body but, above all, over the mind. Power over matter --external reality, as you would call it --is not important. Already our control over matter is absolute. For a moment Winston ignored the dial. He made a violent effort to raise himself into a sitting position, and merely succeeded in wrenching his body painfully.
“ But how can you control matter? ” he burst out.” source