Virtue is simply happiness, and happiness is a by-product of function. You are happy when you are functioning.
Hemingway was a prisoner of his style. No one can talk like the characters in Hemingway except the characters in Hemingway. His style in the wildest sense finally killed him.
This is a war universe. War all the time. That is its nature. There may be other universes based on all sorts of other principles, but ours seems to be based on war and games.