Melmastia（互惠互利）是人际交往的基本原则，它意味着“即使你是亡命天涯的杀人凶手，只要来求我帮助我也会为你提供栖身之所，但交换条件是，你必须为我战斗。
Melmastia, the basic tenet of hospitality means “I will give you shelter if you ask me to, even if you are a fugitive murderer; but, in exchange, you fight my battles.”