How do I learn Quenya and Sindarin?
That depends on what you mean by “learn”. If you mean “learn” in the sense in which one can “learn German” or “learn Japanese”, then the short answer is that you can't; see the previous question. If you mean “learn” in the sense of “learn Gothic” or “learn” any other fragmentarily-preserved, non-living language, then one answer is to read well-researched, thoroughly documented, purely descriptive articles and discussions about the languages, based upon Tolkien's writings and free from artificial, utilitarian agendas; and to do so in conjunction with an independent examination of the data cited to verify claims. But the best way to engage with Tolkien's art-languages is to simply study this evidence for yourself, to read and ponder Tolkien's own compositions and commentaries. It must be remembered that Tolkien is the sole and final authority on his languages; anything not written by Tolkien is strictly speaking not Quenya or Sindarin, but is simply more or less reaso
