मूढग्राहेणात्मनो यत्पीडया क्रियते तप: | परस्योत्सादनार्थं वा तत्तामसमुदाहृतम् ॥19॥
mūḍha-grāheṇātmano yat pīḍayā kriyate tapaḥ parasyotsādanārthaṁ vā tat tāmasam udāhṛitam
mūḍha—those with confused notions; grāheṇa—with endeavor; ātmanaḥ—one’s own self; yat—which; pīḍayā—torturing; kriyate—is performed; tapaḥ—austerity; parasya—of others; utsādana-artham—for harming; vā—or; tat—that; tāmasam—in the mode of ignorance; udāhṛitam—is described to be
That austerity which is undertaken with a foolish intent, by causing pain to oneself, or for the destruction of others-that is said to be born of tamas.