[495] "Prince, this thought occurred to me: 'Suppose that, with my teeth clenched and my tongue pressed against the palate, I were to beat down, constrain, and torment the mind (citta) with the mind.' So indeed, Prince, with my teeth clenched and my tongue pressed against the palate, I beat down, constrained, and tormented the mind with the mind. And as I did so—with teeth clenched and tongue pressed against the palate, beating down, constraining, and tormenting the mind with the mind—sweat streamed from my armpits. Just as, Prince, a strong man, seizing a weaker man by the head or by the shoulders, might beat him down, constrain him, and torment him, even so, Prince, as I—with teeth clenched and tongue pressed against the palate—beat down, constrained, and tormented the mind with the mind, sweat streamed from my armpits. And though my energy (vīriya) was aroused and unflagging, and my mindfulness (sati) established and unconfused, yet my body was overwrought and not tranquil, for I was overcome by that very painful striving in my exertion."
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.