diamond cuts diamond
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used to suggest that a person's most effective opponent or rival may be someone who is equally matched in wit, intelligence, or cunning
The origin of the proverb "diamond cuts diamond" is not strictly tied to a specific source but rather stems from the natural qualities of diamonds, which are famously known for their hardness. This reflects the idea that only a person who is equally capable or powerful can truly challenge or compete effectively with someone. The proverb highlights the notion that encountering a worthy opponent can lead to personal growth, greater achievement, or a more challenging competition.
- The debate between the two politicians was intense, as diamond cuts diamond, and both were skilled in rhetoric and argumentation.