《战国策·魏一·韩赵相难》
赵国又向魏国借兵进攻韩国，魏文侯说： 我与韩国国君是兄弟，不敢从命。 
赵又索兵以攻韩，文侯曰： 寡人与韩兄弟，不敢从。 
Zhao asked Wei to borrow some soldiers to attack South Korea, King Wen of Wei said: I am a brother to the king of South Korea, I dare not obey your orders. 