الصِّدْقُ يَرْفَعُ قَدْرَ صَاحِبِهِ.
Truthfulness raises the standing of the one who practises it.
The statement is concise, clear and coherent without elaborate verbal ornament. Absence of an intricate sound pattern is not inherently a defect. Rhetorical quality begins with apt expression suited to the situation.
Adding rhyme or wordplay at the expense of intelligibility is affectation. A critical review checks meaning, syntactic coherence, contextual effect and then the contribution of verbal ornament.