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A process which led from the amoebae to man appeared to the philosophers to be obviously a progress - though whether the amoebae would agree with this opinion is not known.

Bertrand Russell

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"A hallucination is a fact, not an error; what is erroneous is a judgment based upon it."

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"Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom."

Bertrand Russell

"A life without adventure is likely to be unsatisfying, but a life in which adventure is allowed to take whatever form it will is sure to be short."

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