[458] "So then, Anuruddha, I … . Then, Anuruddha, it occurred to me: 'Excessively aroused energy (accāraddhavīriya) has arisen in me, and on account of that excessively aroused energy my concentration (samādhi) fell away; when concentration falls away, the light and the vision of forms disappear. Suppose, Anuruddha, a man were to grip a quail tightly with both hands—it would die right there in his hands. Even so, Anuruddha, excessively aroused energy arose in me, and on account of that excessively aroused energy my concentration fell away; when concentration falls away, the light and the vision of forms disappear. I shall act in such a way that neither doubt (vicikicchā), nor non-attention (amanasikāra), nor dullness and drowsiness (thīna-middha), nor terror (chambhitatta), nor elation (ubbila), nor inertia (duṭṭhulla), nor excessively aroused energy will arise in me again.'"
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.