The Digha Nikaya ("Collection of Long Discourses") is the first part of the Sutta Pitaka- one of the "three baskets" that compose the Pali Tipitaka. Some of the most commonly referenced suttas from the Digha Nikaya include the Maha-parinibbana Sutta (DN 16), which described the final days and death of the Buddha, the Sigalovada Sutta (DN31) in which the Buddha discusses ethics and practices for lay followers, and the Samaññaphala (DN 2) and Potthapada (DN 9) Suttas, which describe the benefits and practice of samatha meditation. The Sutta Pitaka (or Sutra Pitaka) is the second of three divisions of the Tipitaka, the great Pali collection of Buddhist writings. ... The Tripitaka (Sanskrit, lit. ... Samatha (Pāli; Sanskrit: śamatha), Tranquility meditation is a type of meditation that is widely practiced in order to produce states of calm. ...
Divisions
The Digha Nikaya' consists of 34 discourses, broken into three groups:
Silakkhandha-vagga -- The Division Concerning Morality (13 suttas)
Maha-vagga -- The Large Division (10 suttas)
Patika-vagga -- The Patika Division (11 suttas)
References
Walshe, Maurice (trans.), The Long Discourses of the Buddha: A Translation of the Digha Nikaya, Somerville: Wisdom Publications. ISBN 0861711033.
In Majjhima Nikaya 31, Œa superhuman state, a distinction in knowledge and vision worthy of the noble ones is defined as the first jhana.
Majjhima Nikaya 66: The Buddha describes the bliss of jhana: ŒThis is called the bliss of renunciation, the bliss of seclusion, the bliss of peace, the bliss of enlightenment.
And in Majjhima Nikaya 53, bahussuta is said to be one of the possessions of a noble one.