Error has made man so deep, sensitive, and inventive that he has put forth such blossoms as religions and arts. Pure knowledge could not have been capable of it.
Friedrich NietzscheSpirit is the life that itself cuts into life: with its own torment it increases its own knowledge. Did you already know that?
Friedrich NietzscheAgainst war one might say that it makes the victor stupid and the vanquished malicious. In its favor, that in producing these two effects it barbarizes, and so makes the combatants more natural. For culture it is a sleep or a wintertime, and man emerges from it stronger for good and for evil.
Friedrich Nietzsche