Chapter 4, Verse 34: "Learn from the guru by prostrating before him, by serving him, by questioning him and by doing what he instructs."
Chapter 4, Verse 13: "The fourfold caste system was created by me according to the aptitudes and deeds of the people; though I am the creator of this system, know me as the non-doer and eternal."
Chapter 6, Verse 34: "One's own self is one's friend, one's own self is one's enemy. Therefore, one should control one's own self through the practice of yoga, with the help of a guru."
Chapter 6, Verse 7: "For one who has conquered the mind, the mind is the best of friends; but for one who has failed to do so, his mind will remain the greatest enemy."
Chapter 7, Verse 1: "Now hear, O Arjuna, how with the mind steadfast in devotion to me and by practicing yoga with me as the ultimate goal, you will know me in full."
Chapter 9, Verse 22: "But those who worship me with steadfast devotion, meditating on my transcendental form, to them I give the intelligence by which they can come to me."
Chapter 10, Verse 10: "To those who are constantly devoted to serving me with love, I give the understanding by which they can come to me."
Chapter 12, Verse 6: "But those who worship me with devotion, meditating on my transcendental form and keeping their minds fixed on me, I become their protector."
Chapter 12, Verse 8: "Fix your mind on me alone, and with your intellect absorbed in me, you will surely come to me."
Chapter 13, Verse 24: "One who understands the difference between the body and the soul, and can see the individual soul within all bodies, truly sees."
Chapter 14, Verse 26: "And wherever there is Krishna, the master of all mystics, and wherever there is Arjuna, the supreme archer, there will also certainly be opulence, victory, extraordinary power, and morality."
Chapter 16, Verse 23: "But those who disregard the teachings of the scriptures and act according to their whims, never attain perfection, nor happiness, nor the supreme destination."
Chapter 17, Verse 15: "Austerity of speech consists in speaking words that are truthful, pleasing, beneficial, and not agitating to others, and also in regularly reciting Vedic literature."
Chapter 18, Verse 66: "Abandon all varieties of religion and just surrender unto me. I shall deliver you from all sinful reactions. Do not fear."
Chapter 2, Verse 41: "Those who are seers of the truth have concluded that of the nonexistent, there is no endurance, and of the existent, there is no cessation. This seers have concluded by studying the nature of both."
Chapter 2, Verse 62: "While contemplating the objects of the senses, a person develops attachment for them, and from such attachment lust develops, and from lust anger arises."
Chapter 3, Verse 35: "It is far better to perform one's own prescribed duties, even if they are imperfectly, than to perform another's duties perfectly. Destruction in the course of performing one's own duty is better than engaging in another's duties, for to follow another's path is dangerous."
Chapter 4, Verse 42: "Therefore, the doubts that have arisen in your heart out of ignorance should be slashed by the weapon of knowledge. Armed with yoga, O Bharata, stand and fight."
Chapter 6, Verse 10: "A yogi who has controlled the mind and senses and is absorbed in meditation on the Supreme, is said to be in the highest stage of spiritual realization."
Chapter 18, Verse 57: "In all activities just depend upon me and work always under my protection. In such devotional service, be fully conscious of me."