Betty would have gone on, but Polly stopped her.

"I won't agree to that, every class song I ever heard, said exactly the same thing," she protested. "Let's get something about happiness."

"Hardly more original." Betty laughed, but Angela interrupted.

"I know what Poll means. How's this?"

"There's no limit to"—

"Slang," Polly said abruptly.

"It isn't really."

"Yes, it is. 'Common usage often converts the most ordinary phrase into slang or colloquialism. The writer should take care to avoid them,'" Betty quoted. "Try limitless depth."

"All right, that's better still," Angela agreed.

"There's a limitless depth
To her bounteous store."