An elder. Seized by discontent, he asked his teacher’s consent to leave the Order. The latter, seeing his potential (upanissaya), asked him to build a hut for his use, not omitting his religious duties the while. Tissa consented, and, having finished the hut and spread the bed, he informed his teacher, who said, “Now that you have done this work with such great pains, why not spend one night in the hut?” Tissa did so, and during the night, while reflecting on what he had accomplished, his heart was filled with joy and he became an Arahant. AA.i.26 f.