【原句】Fulfillment must be sought through the spirit, not the body or the mind.
【解说】句子中sought是seek一词的过去式。我们来学习几个seek相关的短语：
seek refuge 寻求庇护
seek (sb's) advice 寻求（某人的）意见
seek one's fortune 寻找出路，追寻发展或成功的机会