# 色諾芬用一個非常希臘的觀念做結:我們只有一次人生,青春又如此短暫,要是只求健康,不努力跑得更快、更久,讓肌肉更強壯,就等於是白白浪費可以突破自我的機會,無法體驗克服痛苦、努力奮鬥不懈的特殊喜悅。——《艾倫.狄波頓的人生學校:運動鍛鍊你的思考力》
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