Those with indomitable spirit are the real successes in life. If you can so train or condition your mind that you are content regardless of what you have or do not have, and if you can stand the challenge of all your trials and remain calm, that is true happiness.
The faith of every man, O Arjuna, accords with his nature, Man is made up of faith; as is his faith, so is he. The threefold austerity practiced with faith by men of balanced mind, without any expectation of reward, is said to be pure.
One’s entire life is a continuous process of learning. Any process of inquiry is related to learning. But basically our inquiry should be concerned with finding out what is transient and what is permanent. This is true knowledge.
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.

