"The gods envy us. They envy us because we’re mortal, because every moment might be our last. Everything is more beautiful because we’re doomed. You will never be lovelier than you are now. We will never be here again."
and thousands died for it.
Informal: beautiful suffering; beautiful pain; the romanticisation of pain.
Etymology: from Ancient Greek καλός (kalos), κάλλος (kallos) - ‘beautiful’ and πάθος (pathos) - ‘suffering’.
[Kinuko Y. Craft]