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Knowledge is a comfortable and necessary retreat and shelter for us in an advanced age; and if we do not plant it when young, it will give us no shade when we grow old.
在老年的时候，学问是使人舒服的和必需的隐退处和避难所；并且如果我们年轻的时候不种植它，当我们老的时候，它就不会给我们树荫