Bhagwat Geeta Chapter 1 Shlok 2

Dual conduct itself is Dronachary. When the awareness dawns
that we are alienated from God there arises in the heart an acute hunger
for the attainment of that exalted Spirit. Only then do we set out to seek
an accomplished teacher, a realized sage (Guru). Between the two
opposed impulses, this awareness is the first initiator into wisdom,
although the teacher of ultimate excellence will be Yogeshwar Krishn
himself, an adept in yog.

King Duryodhan, an embodiment of excessive attachment to
worldly objects, goes to his teacher. Attachment is at the root of all
griefs, indeed their sovereign. It tempts one away from the spiritual
treasure and so it is named Duryodhan. Only the Soul property is the
stable property and it is attachment which generates impurity in it. It
draws one to the material world. But it also provides the primary motive
for enlightenment. Inquisitiveness is possible only as long as there is
attachment, or else only the impeccable Spirit remains.

So, after having seen the Pandav army arrayed, that is, after
having glimpsed the righteous impulses that are in tune with the Self,
Duryodhan, a victim of attachment, goes to his teacher Dronachary
and says: