首楞嚴義疏注經 5.324

5.324

優波離即從座起，頂禮佛足而白佛言：「我親隨佛踰城出家，親觀如來六年勤苦，親見如來降伏諸魔，制諸外道，解脫世間貪欲諸漏。承佛教戒，」

Upāli then arose from his seat, bowed his head at the Buddha's feet, and said to the Buddha: "I personally followed the Buddha when he leapt over the city walls to go forth from home, personally observed the Tathāgata's six years of arduous asceticism, and personally saw the Tathāgata subdue all maras, master all non-Buddhists, and liberate himself from worldly greed and all defilements. Receiving the Buddha's instruction on the precepts,"