We usually consider ourselves to be free. The laws of physics and society may bind us, fix our coordinates, but ultimately the last word is up to us. Generally, this condition makes us cheerful, and only few people would deny the privileges that come from it. But are we really sure that facing a limitless range of choices brightens our spirit, instead of doing the opposite? And, above all, are we sure that our reason and imagination are reliable tools at every level of inquiry?
