The Birth of Tragedy or Hellenism and Pessimism — Friedrich Nietzsche

The Greek spectators, by looking into the abyss of human suffering and affirming it, passionately and joyously affirmed the meaning of their own existence. They knew themselves to be infinitely more than petty individuals, finding self-affirmation not in another life, not in a world to come, but in the terror and ecstasy alike celebrated in the performance of tragedies. Nietzsche found in classical Athenian tragedy an art form that transcended the pessimism and nihilism of a fundamentally meaningless world.