In this Friday evening video-conference talk from 4 October, 2019, Ajahn Anan discusses the biography of the right-hand chief disciple of the Buddha - Venerable Sariputta, the bhikkhu foremost in wisdom. Venerable Sariputta is known for his gratitude, as well. The Kalama Sutta is also discussed.

Note: One can read this talk and others at the Wat Marp Jan 'Reflections' page, which also includes questions and answers with Ajahn Anan, which are not in the audio files. See: https://watmarpjan.org/en/dhamma-reflections/reflections-archive/