The Question of Maitreya
The sūtra known as The Question of Maitreya (Skt. Maitreyaparipṛcchā, Tib. བྱམས་པས་ཞུས་པ།, Wyl. ’phags pa byams pas zhus pa zhes bya ba theg pa chen po’i mdo) is found in the Ratnakuta (Heap of Jewels) section of the Tibetan Kangyur (Toh. 85). In this sūtra the Buddha explains to Maitreya the qualities that a bodhisattva needs to attain enlightenment quickly. The Buddha then recounts to Ānanda how, in a former life, Maitreya revered a previous Buddha and, wishing to become just like him, at once realized that all phenomena are unproduced. It includes the famous "Prayer to Maitreya".