"The chiefs had been informed that in India drugs were procurable which possessed the property of prolonging human life, by the use of which the kings of India attained to a very great age. The Rais were careful in the preservation of their health, and the chiefs of Turkistan begged that some of this medicine might be sent to them, and also information as to the method by which the Rais preserved their health so long. The ambassadors having reached Hindustan, delivered the letters entrusted to them. The Rai of Hind having read them, ordered the ambassadors to be taken to the top of an excessively lofty mountain [to obtain it]."