Tuvaṭakasuttaniddesa

Suttapiṭaka · Khuddakanikāya · Mahāniddesa · Vol. 29 · Section 722

[722] Just as in the middle of the ocean no wave arises, but it stands still, so standing still, unstirred (aneja), a bhikkhu should not create a swelling (ussada) anywhere.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.