They're too important simply to have been read once: Alas! What boots it with uncessant care To tend the homely slighted Shepherd's trade, And strictly meditate the thankless Muse?

它们太重要了，不能只读一遍：,哎！，这有何意义,整日做着简单无趣的牧羊人的营生，缪斯如此无情还要对其冥思苦想？

耶鲁公开课 - 弥尔顿课程节选