रागो नाम मनश्यल्यं गुणद्रविणतस्करः |
राहुर्विद्याशशांकस्य तपोवनहुताशनः ||
Desire is the nail that drills into your mind and hurts it. It is the thief who steals all your good qualities. He is the Rahu who eats the moon of knowledge (your wisdom). He is the fire that burns the garden of penance.