The woodcutter's axe begged for its handle from tree,the tree gave it.
The mind is to be studied as an end in itself.
解释:那些知识浅薄的人所争论的都是些枝微末节。
一个人的最终衡量标准不是他在舒适和便利时站在哪里,而是他在挑战和争议时站在哪里。