The Oneness of All Existence

Thisanarjun has understood this whole teaching because he uses the key word christna. This yoga you have taught as samena, the one same vision of divinity everywhere. Fine, doesn't work. Why not? He says, changala twat titing stiramBecause of the wavering, the fickle, th restless nature of the mind. That's my object my objection. It's all wonderful as wonderful sentiment, the oneness of all existence. But the mind is the problem. Urgune is very practical. He narrows it down to the problematic component in this whole scheme,. What is the problem with the mind?