For one who has conquered the mind, the mind is the best of friends. But for one who has failed to do so, his very mind will be the greatest enemy.

Whenever there is a decline in righteousness and an increase in unrighteousness, at that time I manifest myself. To protect the virtuous, to annihilate the wicked, and to re-establish the principles of dharma, I appear in every age.

Set thine heart upon thy work, but never on its reward. Work not for a reward; but never cease to do thy work. Do thine allotted task. Do it as a service, and set desire aside.

You have a right to perform your prescribed duties, but you are not entitled to the fruits of your actions. Never consider yourself the cause of the results, and never be attached to not doing your duty.