Chapter III Sloka 39

Aav&t< }anmeten }ainnae inTyvEir[a,
kamŕpe[ kaENtey ╩:pUre[anlen c.

śv«taŇ j˝śnametena 
j˝śnino nityavairi§ś | 
kśmarĘpe§a kaunteya 
du pĘre§śnalena ca ( 3|39)||

Enveloped, O Son of Kunti, is 'wisdom' by this constant enemy of the wise in the form of 'desire', which is difficult to be appeased, like fire.