Sentence examples for on substance from inspiring English sources

The phrase "on substance" is correct and commonly used in written English.
It is typically used to refer to the main or most important aspect of a topic, situation, or argument. Example: "The debate focused more on style rather than on substance, with each candidate attacking the other's character rather than discussing their policies." In this sentence, "on substance" is used to contrast the important aspects of the debate (i.e. the policies and issues) with the less important aspects (i.e. the candidates' style and personal attacks).