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荀子。劝学

积土成山,风雨兴焉;积水成渊,蛟龙生焉;积善成德,而神明自得,圣心备焉。故不
积蹞步,无以至千里;不积小流,无以成江海。骑骥一跃,不能十步;驽马十驾,功在
不舍。锲而舍之,朽木不折;锲而不舍,金石可镂。螾无爪牙之利,筋骨之强,上食埃
土,下饮黄泉,用心一也。蟹六跪而二螯,非蛇蟮之穴,无可寄讬者,用心躁也。是故
无冥冥之志者,无昭昭之明;无惛惛之事者,无赫赫之功。行衢道不至,事两君者不容
。目不能两视而明,耳不能两听聪。螣蛇无足而飞,梧鼠五技而穷。诗曰:“尸鸠在桑
,其子七兮。淑人君子,其仪一兮。其仪一兮。心如结兮。”故君子结于一也。

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