Chapter 18, Verse 25
Part of 18: Mokṣha Sanyās Yog — मोक्षसंन्यासयोगअनुबन्धं क्षयं हिंसामनपेक्ष्य च पौरुषम्।मोहादारभ्यते कर्म यत्तत्तामसमुच्यते॥
anubandhaṁ kṣhayaṁ hinsām anapekṣhya cha pauruṣham mohād ārabhyate karma yat tat tāmasam uchyate
That action which is undertaken from delusion, without regard for the consequences, loss, injury, and one's own ability, is declared to be Tamasic (dark).
Tamasic acts cause harm to others. A Tamasic man reflects not at all whether he has the capacity to perform these useless actions, but continues to act blindly. With utter thoughtlessness he sets aside any reflection as to the difficulty of performing the action and what the result of it would be. He carries it on in his own egoistical manner. He does not discriminate between the good and the bad, or what is ones own and what belongs to another. Kshayam Loss of power and of wealth, resulting from the performance of an action. Himsa Injury to living beings. Paurusham Ones own ability or capacity to complete the work. Now listen to the characteristics that pertain to the pure agent. The Lord proceeds to deal with the distinction among the agents.