Under the influence of false ego one thinks himself to be the doer of activities, while in reality all activities are carried out by nature as a natural process.
As the heat of a fire reduces wood to ashes, the fire of knowledge burns to ashes all karma. Nothing in this world purifies like spiritual wisdom. It is the perfection achieved in time through the path of yoga, the path which leads to the Self within.
This is true knowledge: to seek the Self as the true end of wisdom always. To seek anything else is ignorance.
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.
To whom praise and blame are equal, who is silent, content with every fortune, home-renouncing, steadfast in mind, and worships Me, that person is dear to me.
One who is able to withdraw his senses from sense objects, as the tortoise draws his limbs within the shell, is to be understood as truly situated in knowledge.
Whenever there is a decline of righteousness, O Arjuna, and the rise of unrighteousness, then I manifest myself.
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.

