Samyutta Nikaya 2:31
SUJATO‘Taṁ kho panidaṁ dukkhanirodhagāminī paṭipadā ariyasaccaṁ bhāvetabban’ti me, bhikkhave, pubbe …pe… udapādi.
‘This noble truth of the practice that leads to the cessation of suffering should be developed.’ Such was the vision that arose in me …