Akataññutā sutta: Ungrateful

“When a foolish, incompetent untrue person has four qualities they keep themselves broken and damaged. They deserve to be blamed and criticized by sensible people, and they brim with much wickedness. What four? Bad conduct by way of body, speech, and mind, and being ungrateful and thankless. An astute person … brims with much merit. … Good conduct by way of body, speech, and mind, and being grateful and thankful. …”