According to Homer’s Iliad and Plato, What is the Highest Virtue?
Answer: This is a trick question because the properties can not exist independently.
Keeping the classic view in mind, there is austerity, intelligence (wisdom), courage and justice.
The theme running through Homer Iliad is focused on courage, though all others are also there.
Personally, I put rationality close to the top but acknowledge that rationality does not always apply.