The Seeker After Truth

IO9 shared this quote from Ibn al-Haytham’s book Doubts Concerning Ptolemy:

The seeker after truth is not one who studies the writings of the ancients and, following his natural disposition, puts his trust in them, but rather the one who suspects his faith in them and questions what he gathers from them, the one who submits to argument and demonstration and not the sayings of human beings whose nature is fraught with all kinds of imperfection and deficiency. Thus the duty of the man who investigates the writings of scientists, if learning the truth is his goal, is to make himself an enemy of all that he reads, and, applying his mind to the core and margins of of its content, attack it from every side. he should also suspect himself as he performs his critical examination of it, so that he may avoid falling into either prejudice or leniency.

It seemed to me to deserve to be turned into a meme image.

  • http://caveat1ector.wordpress.com/ Hydroxonium

    A quote I found a long time ago, which remains one of my favourites (and is like a summary for the quote on this blog post):

    The wise man questions the wisdom of others because he questions his own; the foolish man, because it is different from his own. —Leo Stein


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