Puṇṇasutta

sn35.88:1.1 And then Venerable Puṇṇa went up to the Buddha, bowed, sat down to one side, and said to him:

sn35.88:1.2 “Sir, may the Buddha please teach me Dhamma in brief. When I’ve heard it, I’ll live alone, withdrawn, diligent, keen, and resolute.”