Discontent, regret, grief, cupidity, and vindictiveness, having no cause or occasioned by any perceptible cause, are the marks of the quality of Darkness.
अतुष्टिः परितापश्च शोको लोभस्तथाक्षमा। लिङ्गानि रजसस्तानि दृश्यन्ते हेत्वहेतुतः॥