增壹阿含經 17.1.p16

17.1.p16

At this time, after Venerable Rāhula had become an arhat, he arose from his seat, arranged his robes, and went to the place of the Bhagavān. Bowing his head at the feet of the Bhagavān, he then moved to one side. He addressed the Bhagavān, saying, “That which was sought has been attained: the cessation of all outflows.” At that time, the Bhagavān told all the bhikṣus, “Of those who have attained arhatship, there is none equal to Rāhula. In regard to the cessation of outflows, it is the bhikṣu Rāhula who is foremost. In regard to those who maintain the precepts, it is again the bhikṣu Rāhula who is foremost. In this manner, all tathāgatas of the past, those of Anuttarā Samyaksaṃbodhi, also had this bhikṣu Rāhula. Wishing to be called the Son of the Buddha, this bhikṣu Rāhula closely followed the life of the Buddha to the highest Dharma.” At that time, the Bhagavān told all the bhikṣus, “Amongst my śrāvakas, the foremost student in maintaining the precepts is truly the bhikṣu Rāhula.” Then the Bhagavān spoke this gāthā: