If necessity is the mother of invention, discontent is the father of progress.

There are some who complain most energetically and inconsolably of any, because they are, as they say, doing their duty. I also have in my mind that seemingly wealthy, but most terribly impoverished class of all, who have accumulated dross, but know not how to use it, or get rid of it, and thus have forged their own golden or silver fetters.

As his (C. S. Lewis's) good friend Owen Barfield once remarked, Lewis radiated a sense that the spiritual world is home, that we are always coming back to a place we have never yet reached.

The UK could face a digital winter of discontent during the run-up to the next general election.

Content makes poor men rich; Discontent makes rich men poor.

Discontent is the seed of ethics