I have heard that on one occasion the Blessed One was staying near Sāvatthī at Jeta's Grove, Anāthapiṇḍika's monastery. And on that occasion Ven. Revata the Doubter was sitting not far from the Blessed One, his legs crossed, his body held erect, reflecting on [his] purification through the overcoming of doubt. The Blessed One saw Ven. Revata the Doubter sitting not far away, his legs crossed, his body held erect, reflecting on [his] purification through the overcoming of doubt.
Then, on realizing the significance of that, the Blessed One on that occasion exclaimed: