It's experience.

It's all to the good." "Oh, you needn't suppose I am apologising for Oxford!" cried Nora.

"I think, of course, it's the most interesting place in the world.

It's ideas that matter, and ideas come from the universities!" And the child-student of seventeen drew herself up proudly, as though she bore the honour of all _academie_ on her sturdy shoulders.
Constance went into a fit of laughter.
"And I think they come from the people who do things, and not only from the people who read and write about them when they're done.

But goodness--what does it matter where they come from?
Go away, Nora, and let me dress!" "There are several things I want to know," said Nora deliberately, not budging.