प्राचीन भारत में शिक्षा (डॉ. ए.एस. अल्तेकर - गुरुकुल एवं बौद्ध विहार शिक्षण इतिहास)

252 EDUCATION IN ANCIENT INDIA [Ch. A concrete Instance and its Moral: Under such circumstances, there was not much scope left for research and originality in those matters where opinions were expressed in sacred texts. A concrete case may be given to illustrate the point. In the infancy of astronomy, the eclipses were explained by the mytho- logical stories about Rāhu and Ketu attacking and temporarily overpowering the moon and the sun. It was an evil day for the advance of astronomy when this mythological version got a canonical sanction by its inclusion in the Purāṇas. Hindu astronomers like Āryabhaṭa, Brahmagupta, Varāhamihira and Bhāskarā- chārya knew the true causes of eclipses, but felt powerless to carry vigorous propaganda to explode their popular and mythological explanation canonised by the Purāṇas. Nay, Brahmagupta, with a view to win cheap popularity, went to the extent of advocating that the popular view was correct, when he knew full well that such was not the case. In Chapter I of his Brahma-siddhānta, he gives both the popular and scientific theories about the eclipses, but advocates the cause of the former. "Some people think that the eclipse is not caused by the Head (of Rāhu or Ketu). This, however, is a foolish idea. The Veda, which is the word of God from the mouth of Brahman, says that the Head eclipses, likewise Manusmṛiti and Garga- saṁhitā".¹ What is, however, most lamentable is that Brahmagupta, who knew full well the real cause of eclipses, should have proceeded to condemn Āryabhaṭa, Varāhamihira, Śrīsheṇa and Vishṇuchandra for expounding the unorthodox but scientific theory that eclipses are caused by the shadow of the earth. It is important to note that Brahmagupta becomes guilty of intellectual and moral dishonesty because he was

1. As quoted by Alberuni, Vol. II, pp. 110-1. The original work has been lost.