课堂
163李文莹
No anxiety, no effort of mind is more severe than his, who in a difficult matter has it seriously at heart to investigate without error and to instruct without obscurity; as to myself, if the past discussion has at any time tried the patience of the kind persons who have given it their attention, I can assure them that on no one can it have inflicted so great labour and fatigue as on myself. Happy they who are engaged in provinces of thought, so familiarly traversed and so thoroughly explored, that they see every where the footprints, the paths, the landmarks, and the remains of former travellers, and can never step wrong; but for myself, Gentlemen, I have felt like a navigator on a strange sea, who is out of sight of land, is surprised by night, and has to trust mainly to the rules and instruments of his science for reaching the port. The everlasting mountains, the high majestic cliffs, of the opposite coast, radiant in the sunlight, which are our ordinary guides, fail us in an excurs
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