Bhagavad Gita on Anger

1. One develops attachment to sense objects by thinking about sense objects. Desire for sense objects comes from attachment to sense objects, and anger comes from unfulfilled desires. (2.62)
2. Delusion arises from anger. The mind is bewildered by delusion. Reasoning is destroyed when the mind is bewildered. One falls down (from the right path) when reasoning is destroyed. (2.63)
3. The Supreme Lord said: It is Kaama and anger born of Rajo Guna. Kaama is insatiable and is a great devil. Know this as the enemy. (3.37)
4. Kaama, the passionate desire for all sensual and material pleasures, becomes anger if it is unfulfilled. As the fire is covered by smoke, as a mirror by dust, and as an embryo by the amnion, similarly the Self-knowledge gets obscured by Kaama. (3.38)
5. Freed from attachment, fear, and anger; fully absorbed in Me, taking refuge in Me, and purified by the fire of Self-knowledge, many have attained Me. (4.10)
6. One who is able to withstand the impulse of lust and anger before death is a yogi, and a happy person. (5.23)
7. A Self-realized person who is free from lust and anger, and who has subdued the mind and senses easily attains nirvana. (5.26)
8. With senses, mind, and intellect under control; having liberation as the prime goal; free from lust, anger, and fear; such a sage is verily liberated. (5.28)
9. Nonviolence, truthfulness, absence of anger, renunciation, equanimity, abstaining from malicious talk, compassion for all creatures, freedom from greed, gentleness, modesty, absence of fickleness; (16.02)
10. Hypocrisy, arrogance, pride, anger, harshness, and ignorance; these are the marks of those who are born with demonic qualities, O Arjuna. (16.04)
11. Bound by hundreds of ties of desire and enslaved by lust and anger; they strive to obtain wealth by unlawful means for the fulfillment of desires. They think: (16.12)
12. Clinging to egoism, power, arrogance, lust, and anger; these malicious people hate Me (who dwells) in their own body and others' bodies. (16.18)
13. Lust, anger, and greed are the three gates of hell leading to the downfall (or bondage) of Jeeva. Therefore, one must (learn to) give up these three. (16.21)
14. Relinquishing egotism, violence, pride, lust, anger, and desire for possession; free from the notion of "my", and peaceful; one becomes fit for attaining oneness with Brahman. (18.53)