-Bukhari 4.52.220 [http://www.quranexplorer.com/Hadith/English/Hadith/bukhari/004.052.220.html].
</blockquote>
==Anti-Science==
Modern science started in Christian Europe, not the Islamic world, not even China. Now the Islamic world has not accomplished anything in the sciences, unless copying counts. The Muslims borrowed their architecture from the Byzantines. For example, the Dome of the Rock in Jerusalem was built and designed by Byzantine craftsmen. Thousands of years before Muhammad was born, the Greeks discovered algebra and the Persians built the first astrolabe. Before Al-Ahzar University was established, there were two universities in China (Nanking University and Southeast University), the School of Nisibis (later absorbed into the School of Edessa), a school of medicine and theology built by the Syriac Orthodox Church in Mesopotamia, but in present-day Turkey, the University of Constantinople, Nalanda in India, and the Academy of Gondishapur in Iran; the first hospital was built by the heretical Nestorians.
==Islam and Christianity==