Verse 18.28
अयुक्तः प्राकृतः स्तब्धः शठो नैष्कृतिकोऽलसः । विषादी दीर्घसूत्री च कर्ता तामस उच्यते ॥ १८.२८ ॥
जो कर्ता अयुक्त्त, शिक्षा से रहित, घमंडी, धूर्त और दूसरों की जीविका का नाश करने वाला तथा शोक करने वाला, आलसी और दीर्घ सूत्री है —- वह तामस कहा जाता है ।
A person whose behaviour is marked by ignorance, conceit, vulgarity, deceit, maliciousness, offence to others, laziness, without self-harmony, procrastination, materialism, and speaking and doing things against the Holy Scriptures, is said to be a man who possesses the dark and ignorant Tamas-personality.