ONCE upon a time, a certain prince whose name was Sudasna ruled over a small but prosperous country. He had two sons : the elder, fifteen years of age, was called Phra Abhai Mani, and the younger, aged thirteen, was called Sri Suvarna. Realising that they had reached years of discretion, and were ready to have knowledge instilled into them, so that they might later rule the principality rightly and justly, he summoned them into his presence and addressed them thus :