This article examines the Iban oral literature (traditions) of the Iban society which includes fables, folklore, legends and myths that are orally transmitted and learned but continue to exist in oral form until the end of the 20th century. The objective of this article is stress the importance of oral literature in the Iban society because it is in this vast and incredibility beautiful literature that the cosmology of Iban society is revealed, and through this also the other people can perceive the soul of Iban culture. However, the Iban oral literature is very fragile as it remains in the memory of the elder generation who are rapidly dying out, and it may not survive long under the conditions of modernization. Therefore, the Iban society...