A set S of real numbers is called compact if every sequence in S has a subsequence that converges to an element again contained in S.

The big air raids […] were much more dreadful than the air raids of the World War. They began with a nightmare of warning maroons, sirens, hooters and the shrill whistles of cyclist scouts, then swarms of frantic people running to and fro […]

And Slade said: It really makes me sad that football club chairmen and boards seem to have lost that most precious commodity - patience.Sam's sacking at Newcastle had, I suppose, been on the cards for a while, but it is really ridiculous to fire a manager after such a short time.

Jill had, as you might say quite fallen in love with the Unicorn. She thought—and she wasn't far wrong—that he was the shiningest, delicatest, most graceful animal she had ever met: […]