 Julian's personal religion was both pagan and philosophical; he viewed the traditional myths as allegories, in which the ancient gods were aspects of a philosophical divinity.The chief surviving sources are his works "To King Helios" and "To the Mother of the Gods", which were written as panegyrics, not theological treatises.As the last pagan ruler of the Roman Empire, Julian's beliefs are of great interest for historians, but they are not in complete agreement.