Samyuktagama (Sanskrit fragments) 15.14

15.14

時，彼比丘聞佛所說，心大歡喜，禮佛而退。獨在靜處，精勤修習，住不放逸。精勤修習，住不放逸已，思惟：「所以善男子出家，剃除鬚髮，身著法服，信家非家出家，乃至自知不受後有。」

When that monk heard what the Buddha taught, he felt great joy. He bowed to the Buddha and withdrew. He went alone to a quiet place where he diligently trained and lived earnestly. After diligently training and living earnestly, he thought, “A good son leaves home, cuts off his hair and beard, puts on the Dharma robes, is a believer in the homeless, and leaves home … up to … ‘I myself know that I won’t be subject to a later existence.’”