SubhashitamAnushtubh
वृश्चिकस्य विषं पुच्छे मक्षिकायास्तु मस्तके । तक्षकस्य विषं दन्ते सर्वाङ्गे दुर्जनस्य तत् ॥
The scorpion's poison is in its tail, the fly's in its head, the serpent's in its fang — but the wicked person's poison pervades his entire body.
wickedpoisonpervasive evil