He whose consciousness is not shaken by anxiety under afflictions, nor by attachments to happiness under favorable circumstances; he who is free from worldly loves, fears, and Angers- he is called a Muni of steady discrimination. -Bhagavad Gita 2:56

He who is everywhere non attached, neither joyously excited by encountering good nor disturbed by evil, has an established wisdom.-Bhagavad Gita 2:57

The tranquil sage, victorious over the self(ego), is ever fully established in the supreme self(spirit), whether he encounter cold or heat, pleasure or pain, praise or blame.-Bhagavad Gita 6:7

That Yogi who is gladly absorbed in truth and self realization is said to be indissolubly united to spirit. Unchangeable, conqueror of senses, he looks with an equal eye an earth, stone and gold.-Bhagavad Gita 6:8

He is a supreme yogi who regards with equal-mindedness all men, patrons, friends, enemies, strangers, mediators, hateful beings, relatives, the virtuous and the un godly.-Bhagavad Gita 6:9