 One day when Assaji was going through Vesali for alms, the Nigantha Saccaka, who was looking for ascetics to debate, questioned him regarding the Buddha's Dharma because Assaji was a prominent disciple (ñātaññatara-sāvaka).Assaji delivered a summary of the doctrine contained in the Anattalakkhana Sutta.Confident of his ability to refute these views, Saccaka went with a large concourse of Licchavis to the Buddha and questioned him.