Voltaire. Zadig or Destiny (№ 46750)

They say that at the sight of someone else's grief people feel less miserable; according to Zoroaster, it's not self-love, and domestic needs. For the unfortunate human being in such cases, the similarity of the provisions. The joy of the lucky man would be abusive, but two accidents like two weak trees that are leaning on each other, confront the storm.