References – MN 12: The Greater Discourse on the Lion’s Roar 
“What is hasituppāda citta—consciousness producing mirth—that is the Buddha’s smile?” Answered by Ajahn Pasanno. [Humor ] [Buddha/Biography] // [Teaching Dhamma]
Suttas: MN 81; MN 83; AN 5.180: Examples of the Buddha’s smile.
Sutta: MN 12.58: “You might think that the jujube fruit was bigger in those days...” [Ascetic practices]
Sutta: SN 17.5: A dung beetle gloats about his pile. [Gain and loss] [Fame and disrepute] [Similes] [Monastic life]
Thanksgiving Retreat 2011, Session 3, Excerpt 9
“Could you give advice on how to practice Buddhānussati? Are there any suttas useful for working with this theme?” Answered by Ajahn Pasanno. [Recollection/Buddha ] [Sutta] // [Learning] [Human]
Reference: Recollection of the Buddha, Amaravati Chanting Book, p. 4.
Sutta: MN 11: Cūḷasīhanāda Sutta.
Sutta: MN 74: Dīghanakha Sutta. [Views] [Great disciples] [Upatakh]
Sutta: MN 12.58: “You might think that the jujube fruit was bigger in those days...” [Buddha/Biography] [Humor]
Sutta: SN 17.5: Dung beetle on a ball of dung. [Gain and loss]
The Fourth Foundation of Mindfulness [2013], Session 10, Excerpt 1