"Delight comes to one who is miserable. Misery to one filled with delight. As a bhikkhu undelighted, untroubled: That's how you should know me, friend. After a long time at last I see A brahmin who is fully quenched, A bhikkhu undelighted, untroubled. Who has crossed over attachment to the world."
January 1, 1970
https://en.wikiquote.org/wiki/Mood_swing