Spirit is the life that itself cuts into life: with its own torment it increases its own knowledge. Did you already know that?
Friedrich NietzscheThe most intelligent men, like the strongest, find their happiness where others would find only disaster: in the labyrinth, in being hard with themselves and with others, in effort; their delight is self-mastery; in them asceticism becomes second nature, a necessity, as instinct.
Friedrich Nietzsche