Heroic virtue

Heroic virtue does not mean that the saint performs a type of “gymnastics” of holiness, something that normal people do not dare to do. It means rather that in the life of a person God’s presence is revealed—something man could not do by himself and through himself. Perhaps in the final analysis we are rather dealing with a question of terminology, because the adjective “heroic” has been badly interpreted. Heroic virtue properly speaking does not mean that one has done great things by oneself, but rather that in one’s life there appear realities which the person has not done himself, because he has been transparent and ready for the work of God. Or, in other words, to be a saint is nothing other than to speak with God as a friend speaks with a friend. This is holiness.

To be holy does not mean being superior to others; the saint can be very weak, with many mistakes in his life. Holiness is this profound contact with God, becoming a friend of God: it is letting the Other work, the Only One who can really make the world both good and happy.
-Joseph Cardinal Ratzinger

From SJVB