Four kinds of intrinsic rewards

First and foremost, we crave satisfying work, every single day. The exact nature of this “satisfying work” is different from person to person, but for everyone it means being immersed in clearly defined, demanding activities that allow us to see the direct impact of our efforts. Second, we crave the experience, or at least the hope, of being successful. We want to feel powerful in our own lives and show off to others what we’re good at. We want to be optimistic about our own chances fo...

 Hypothesizing on a World Without Stars

'Well, then, supposing there were other suns in the universe.' He broke off a little bashfully. 'I mean suns that are so far away that they're too dim to see. It sounds as if I've been reading some of that fantastic fiction, I suppose.' 'Not necessarily. Still, isn't that possibility eliminated by the fact that, according to the Law of Gravitation, they would make themselves evident by their attractive forces?' 'Not if they were far enough off,' rejoined Be...