Anyone who denies the law of non-contradiction should be beaten and burned until he admits that to be beaten is not the same as not to be beaten, and to be burned is not the same as not to be burned.
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About Avicenna
Avicenna was Persian polymath, physician and philosopher (c. 980–1037). Ibn Sina, commonly known in the West as Avicenna, was a preeminent philosopher and physician of the Muslim world. He was a seminal figure of the Islamic Golden Age, serving in the courts of various Iranian rulers, and was influential to medieval European medical and Scholastic thought. Read more on Wikipedia →