As for me, I only have a link to share. Recently I've finished reading Malcolm Gladwell's Outliers and some of the ideas in the book, like the 10,000 hours theory, made me put in perspective just how hard one needs to work in their art.
Of course, there's natural talent, but, as the above article shows, it only takes you so far. In fact, natural talent may not really be much of a factor at all.
What do you think? Is there such a thing as 'god-given talent'? Or could it all be done by obsession, focus, and repetition...and, well, luck?