Beyond Good and Evil by Friedrich Nietzsche Chapter 9 Page 48

painful cases of the martyrdom of KNOWLEDGE ABOUT LOVE: the martyrdom of the most innocent and most craving heart, that never had enough of any human love, that DEMANDED love, that demanded inexorably and frantically to be loved and nothing else, with terrible outbursts against those who refused him their love; the story of a poor soul insatiated and insatiable in love, that had to invent hell to send thither those who WOULD NOT love him — and that at last, enlightened about human love, had to invent a God who is entire love, entire CAPACITY for love — who takes pity on human love, because it is so paltry, so ignorant!

He who has such sentiments, he who has such KNOWLEDGE about love — SEEKS for death! — But why should one deal with such painful matters? Provided, of course, that one is not obliged to do so.