Whenever there is a decline of righteousness, O Arjuna, and the rise of unrighteousness, then I manifest myself.
You should discover your own reality and not thwart yourself. For you have the self as your only friend, or as your only enemy.
By this attitude of complete renunciation you shall be freed from bondage, good and bad, of karma. You shall be liberated, and come to Me.
The true nature of action is very difficult to understand. Therefore, one should know the nature of attached, detached and forbidden actions.
A person whose mind is unattached to sensual pleasures, who discovers the joy of the Self, and whose mind is in union with Brahmn through meditation, enjoys eternal bliss.
That one I love who is incapable of ill will, and returns love for hatred. Living beyond the reach of I and mind, pain and pleasure, full of mercy, contented, self-controlled, with all his heart and all his mind given to Me – with such a one I am in love.
Know that all creatures have evolved from this twofold energy, and Brahmn is the origin as well as dissolution of the entire universe.
As rivers flow into the ocean but cannot make the vast ocean overflow, so flow the streams of the sense - world into the sea of peace that is the sage.
This is true knowledge: to seek the Self as the true end of wisdom always. To seek anything else is ignorance.
Only by devotional service is the Supreme Truth, Krishna, pleased, and by His inconceivable energy. He can reveal Himself to the heart of the pure devotee.

