Samyutta Nikaya 2:39
SUJATOImasmiñca pana veyyākaraṇasmiṁ bhaññamāne āyasmato koṇḍaññassa virajaṁ vītamalaṁ dhammacakkhuṁ udapādi:
And while this discourse was being spoken, the stainless, immaculate vision of the Dhamma arose in Venerable Koṇḍañña: