As for the passions, and studies of the mind; avoid envy, anxious fears; anger fretting inwards; subtle and knotty inquisitions; joys and exhilarations in excess; sadness not communicated.

至于情感与心智活动，应避免嫉妒、焦虑恐惧、郁积于心的愤怒、过分纠缠的思索、过度兴奋，以及无人倾诉的悲伤。