The concepts "beyond" and "real world" were invented in order to depreciate the only world that exists-in order that no goal, no aim or task might be left for our earthly reality.
There is nothing that has caused me to meditate more on Plato's secrecy and sphinx-like nature, than the happily preserved petit fait that under the pillow of his death-bed there was found no 'Bible,' nor anything Egyptian, Pythagorean, or Platonic - but a book of Aristophanes. How could even Plato have endured life - a Greek life which he repudiated - without an Aristophanes!
The various languages placed side by side show that with words it is never a question of truth, never a question of adequate expression; otherwise, there would not be so many languages. The 'thing in itself' (which is precisely what the pure truth, apart from any of its consequences, would be) is likewise something quite incomprehensible to the creator of language and something not in the least worth striving for.
Whoever gives advice to the sick gains a sense of superiority over them, no matter whether his advice is accepted or rejected. That is why sick people who are sensitive and proud hate their advisors even more than their illnesses.