Bhagavad Gita Chapter 18

Summary
Verse 1-18   Summary of karma and Jnana yoga
Verse 19-40  Mode of nature
Verse 41-55  Ideal worker
Verse 56-66  Love of Godhead
Verse 66-78  End Results

• 3 Gunas - Sattva, Rajas, Tamas
• 4 types of Devotee who worship the Divine: the distress, the seeker of knowledge, the seeker of wealth and the Wise ..
• Action performed with attachment, desire for rewards and ego - mode of ignorance; ie Tamas
• Action performed with the sense of duty, and desire for rewards falls in the mode of passion; ie rajas
• Action performed without attachment, without desire for rewards and with a sense of selflessness is consider in the mode of goodness; ie Sattva
• 3 types of knowledge: The Field (body, world); the knower (individual soul); the supreme reality(bramin)
• True - renunciation is not giving up actions but giving up attachment to the results of the actions
• One should perform one's duty without selfish motives and with a sense of dedication with the Divine. 

Life Lesson
Embrace your duty without attachment to outcome
Transcend the qualities that influences your behavior
Worship the Divine in all beings with selflessness
Seek knowledge of eternal soul and supreme reality
Reflect on the teachings and choose our path

• sanyās (renunciation of actions) and 
• tyāg (renunciation of desire for the fruits of actions)

Bhagavad Gita: Chapter 18, Verse 1

अर्जुन उवाच |
सन्न्यासस्य महाबाहो तत्त्वमिच्छामि वेदितुम् |
त्यागस्य च हृषीकेश पृथक्केशिनिषूदन || 1||

arjuna uvācha
sannyāsasya mahā-bāho tattvam ichchhāmi veditum
tyāgasya cha hṛiṣhīkeśha pṛithak keśhi-niṣhūdana

arjunaḥ uvācha—Arjun said; sanyāsasya—of renunciation of actions; mahā-bāho—mighty-armed one; tattvam—the truth; ichchhāmi—I wish; veditum—to understand; tyāgasya—of renunciation of desires for enjoying the fruits of actions; cha—and; hṛiṣhīkeśha—Krishna, the Lord of the senses; pṛithak—difference; keśhī-niṣhūdana—Krishna, the killer of the Keshi demon

arjuna uvacha
sannyasasya maha-baho tattvam ichchhami veditum
tyagasya cha hrishikesha prithak keshi-nishudana

Translation

BG 18.1: Arjun said: O mighty-armed Krishna, I wish to understand the nature of sanyās (renunciation of actions) and tyāg (renunciation of desire for the fruits of actions). O Hrishikesh, I also wish to know the distinction between the two, O Keshinisudan.