There are many important or influential Mahayana texts, such as the "Platform Sutra" and the "Lotus Sutra", that are called sutras despite being attributed to much later authors. In Theravada Buddhism suttas comprise the second "basket" (pitaka) of the Pāli Canon. Rewata Dhamma and Bhikkhu Bodhi describe the Sutta pitaka as  In the Jain tradition, sutras are an important genre of "fixed text", which used to be memorized. The Kalpa Sūtra is, for example, a Jain text that includes monastic rules, as well as biographies of the Jain Tirthankaras. Many sutras discuss all aspects of ascetic and lay life in Jainism. Various ancient sutras particularly from the early 1st millennium CE, for example, recommend devotional bhakti as an essential Jain practice. The surviving scriptures of Jaina tradition, such as the Acaranga Sutra (Agamas) exist in sutra format, as is the Tattvartha Sutra – a Sanskrit text accepted by all four Jainism sects as the most authoritative philosophical text that completely summarizes the foundations of Jainism.