College students who tend to study alone learn more over time than those who work in groups.

Or at school you might have been prodded to come “out of your shell”—that noxious expression which fails to appreciate that some animals naturally carry shelter everywhere they go, and that some humans are just the same.

College students who tend to study alone learn more over time than those who work in groups.

In our culture, snails are not considered valiant animals - we are constantly exhorting people to "come out of their shells" - but there's a lot to be said for taking your home with you wherever you go.

(Finland is a famously introverted nation. Finnish joke: How can you tell if a Finn likes you? He's staring at your shoes instead of his own.)

There is no one more courageous than the person who speaks with the courage of his convictions.

Women were also urged to work on a mysterious quality called 'fascination.' Coming of age in the 1920's was a competitive business.