传道书 10:10
If the iron be blunt, and he do not whet the edge, then must he put to more strength: but wisdom is profitable to direct.
Context
This verse from 传道书 Chapter 10 connects to 10 cross-references. 法老后悔，率兵追赶以色列人，以色列人在红海边陷入绝境。摩西说：「你们只管站住，看耶和华今天向你们所要施行的救恩。」神使海水分开，他们走干地过海。
其他译本
If the iron be blunt, and one do not whet the edge, then must he put to more strength: but wisdom is profitable to direct.
If the iron hath been blunt, And he the face hath not sharpened, Then doth he increase strength, And wisdom <FI>is<Fi> advantageous to make right.
If the iron has no edge, and he does not make it sharp, then he has to put out more strength; but wisdom makes things go well.
交叉参考
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The words of wise men are heard in quiet more than the cry of him that ruleth among fools.