Rabbi Meiselman thus states, with regard to metzitzah [b'peh, the direct mouth-to-penis sucking haredi mohels do after cutting off the baby's foreskin] (pp. 239-40), that "Chazal's assessment overrides that of modern medicine," because "Chazal understood the situation better than the physicians." He stresses that "we rely upon their judgment unswervingly, even if medical opinion says otherwise."
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"Man muss diese versteinerten Verhältnisse dadurch zum Tanzen zwingen, dass man ihnen ihre eigne Melodie vorsingt!" K.M.