Samyutta Nikaya (Coleção dos Discursos Agrupados) 1:43
SUJATONibbindaṁ virajjati; virāgā vimuccati. Vimuttasmiṁ vimuttamiti ñāṇaṁ hoti.
Being disillusioned, desire fades away. When desire fades away they’re freed. When they’re freed, they know they’re freed.