References – MN 37: The Shorter Discourse on the Ending of Craving 
“What is the Pali word for letting go or relinquishment? Is this the opposite of upādāna?” Answered by Ajahn Pasanno. [Pāli] [Relinquishment] [Clinging] // [Release] [Progress of insight ] [Ajahn Pasanno]
Sutta: MN 37: Sabbe dhammā nālaṁ abhinivesāya–All dhammas are not to be clung to. [Conditionality]
Sutta: SN 46.1: ...based upon seclusion, dispassion, and cessation, maturing in release.
Sutta: MN 118: Ānāpānasati Sutta [Mindfulness of breathing]
Metta Retreat [2008], Session 4, Excerpt 12
“All Dhammas are not to be clung to.” Reflection by Ajahn Pasanno. [Clinging] [Relinquishment] // [Cessation] [Meditation/Techniques] [Right View] [Upasikā Kee Nanayon] [Suffering]
Sutta: MN 37 Cūḷataṇhāsaṅkhaya Sutta
Our Roots in the Thai Forest Tradition [2014], Session 58, Excerpt 2
“In reference to the fragrance of the flower....There are many roses in the courtyard across the street....Why do we cultivate beauty? Where does beauty arise from?” Answered by Ajahn Pasanno. [Beauty] // [Clinging] [Happiness] [Master Hsuan Hua] [Empathetic joy] [Unconditioned]
Sutta: MN 37: Sabbe dhamma nalam abhinivesaya. (Nothing whatsoever should be clung to.)
Story: Ajahn Pasanno’s mother sends his old letters to Abhayagiri. [Ajahn Pasanno] [Abhayagiri]
Recollection: Ajahn Chah was unshakeable in the midst of all the things that were happening around him and responded warmly and compassionately to the people around him. [Ajahn Chah] [Equanimity] [Compassion] [Family] [Monastic life/Motivation]