Theevini seithaarku nalvini seiyaamai Teevinai eerkkum thinai.

For those who have done evil, not doing good is itself evil — it pulls (them) even a millet's weight more into evil.

தீவினை செய்தவர்க்கு நல்வினை செய்யாமலேயே இருப்பதும் தீவினையில் மேலும் இழுக்கும்.

Not doing good is itself evil — it actively increases the evil state. Neutrality is not an option: not choosing good is choosing more evil. This makes positive action morally mandatory, not optional.