Prophets, philosophers and theologians are all deeply concerned with eschatological issues, that is to say issues that are to do with divine judgement, the ultimate fate of mankind and the destiny of the soul.
Eschatological content is heavy stuff, and fortunately not the sort of word that comes up often in casual conversation. Don't confuse eschatological with scatological, which sounds very similar but has a totally different meaning. To be scatological means to be unhealthily obsessed with excrement, or at the very least overly fond of bathroom humor. Keep your death jokes and poop jokes separate, please.