Scientific American, October 1963.
Via The Casual Optimist.
Do not accept what you hear by report, do not accept tradition, do not accept a statement because it is found in your books, nor because it is in accord with your belief, nor because it is the saying of your teacher. Be lamps unto yourselves. Those who, either now or after I am dead, shall rely upon themselves only and not look for assistance to anyone besides themselves, it is they who shall reach the topmost height.
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