Srimad Bhagavatam Canto 10, Chapter 32, Text 17

SB 10.32.17

sri-bhagavan uvaca
mitho bhajanti ye sakhyah
 svarthaikantodyama hi te
na tatra sauhrdam dharmah
 svarthartham tad dhi nanyatha
 
Translation: 
 
The Supreme Personality of Godhead said: So-called friends who show affection for each other only to benefit themselves are actually selfish. They have no true friendship, nor are they following the true principles of religion. Indeed, if they did not expect benefit for themselves, they would not reciprocate.
 
Purport: 
 
The Lord here reminds the gopis that in pure loving friendship there is no sense of selfish interest but rather only love for one’s friend.
Srimad Bhagavatam Canto 10, Chapter 32, Text 16
Srimad Bhagavatam Canto 10, Chapter 32, Text 18