Quote by Ibn Khaldun
The sciences of only one nation, the Greeks, have come down to us, because they were translated through Al-Ma'mun's efforts. He was successful in this direction because he had many translators at his disposal and spent much money in this connection.

Summary
This quote suggests that the reason why the scientific knowledge of the Greeks has endured is due to the efforts of Al-Ma'mun. It states that Al-Ma'mun took proactive steps to translate Greek scientific texts, which enabled their preservation over time. The quote implies that Al-Ma'mun's success in this endeavor was driven by his access to numerous translators and a willingness to invest significant resources into the translation efforts. Therefore, the scientific knowledge of the Greeks continued to thrive and passed down to future generations, thanks to Al-Ma'mun's commitment to translation.
By Ibn Khaldun