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...You must be able to silence your head absolutely and be completely detached, not to have (for example, when you are looking for the solution of a problem), not to have already in your head the solution that seems to you right or the best or most profitable. That must not be there. You must become absolutely like a blank paper, with nothing on it. And you proceed in that way, with a very sincere aspiration to know the truth, without assuming beforehand that it will be like this or like that; because otherwise you will see only your own formation. The very first condition is that the head must keep completely silent during the time one is observing. <ref>http://incarnateword.in/cwm/05/30-september-1953#p13</ref>
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