40. The senses, mind and intellect are said to be its seat; through these it deludes the embodied by veiling his wisdom.

39. O Arjuna, wisdom is enveloped by this constant enemy of the wise in the form of desire, which is unappeasable as fire!

38. As fire is enveloped by smoke, as a mirror by dust, and as an embryo by the amnion, so is this enveloped by that.

The Blessed Lord said: 37. It is desire, it is anger born of the quality of Rajas, all-sinful and all-devouring; know this as the foe here (in this world).