I completely agree. As you say it could be that we don't get an answer for a century, a millenium, or ever. Even if string theory is on the right track, it migh

I completely agree. As you say it could be that we don't get an answer for a century, a millenium, or ever. Even if string theory is on the right track, it might be that we never, ever, apprehend anything more than tantalizing clues. To quote Ed Witten from the same interview I was referencing previous [0], he likes to say that string theory is a 21st century theory that fell, by chance, into the 20th century. [0] https://www.youtube.com/watch?v=77wN6C-NWD8 https://www.youtube.com/watch?v=77wN6C-NWD8