"O son of Kunti, the nonpermanent appearance of happiness and distress, and their disappearance in due course, are like the appearance and disappearance of winter and summer seasons." - Lord Krishna

"One who is not envious but is a kind friend to all living entities, who does not think himself a proprietor and is free from false ego - such a person is very dear to Me." - Lord Krishna

"He who hates no creature, who is friendly and compassionate to all, who is free from attachment and egoism, balanced in pleasure and pain, and forgiving." - Lord Krishna

"He who is free from the modes of material nature, who is balanced in success and failure, and who is equipoised in both happiness and distress, is very dear to Me." - Lord Krishna

"Therefore, without attachment, always perform your duty efficiently, for by doing work without attachment, one attains the Supreme." - Lord Krishna