excelling in both literary and military arts
Classical ideal of being accomplished in both scholarship and martial skills. Often used in historical or traditional contexts.
He was known as a warrior accomplished in both literary and military arts.
excelling in both academics and sports
Modern extension of the classical ideal, commonly used to describe students who do well in both studies and athletics.
She excels in both academics and sports: her grades are excellent, and she's the ace of the tennis club.