This spiritual quest takes the aspirant through many moods. He will alternate at times between blank despair and exalted joy. Though naturally affected by these moods, he ought nevertheless to try to keep a certain balance even in their very midst, to cultivate a kind of higher indifference towards them, and patience towards their results. This can be achieved more easily by obtaining a firm conviction of the transient character of such moods.
-- Notebooks Category 6: Emotions and Ethics > Chapter 3: Discipline Emotions > # 36