Miguel de Unamuno The Tragic Sense of Life (1913)

To live is to give oneself, perpetuate oneself, and to perpetuate oneself, to give oneself, is to die. Perhaps the supreme delight of procreation is nothing other than a foretasting or savoring of death, the spilling of one’s own vital essence. We unite with another, but it is to divide ourselves: that most intimate embrace is naught but a most intimate uprooting. In essence, the delight of sexual love, the genetic spasm, is a sensation of resurrection, of resuscitation in another for only in others can we resuscitate and perpetuate ourselves.