You can ask me anything you like about my work, but I'll never talk about myself. - P. L. Travers

She doesn’t hold back anything from them. When they beg her not to depart, she reminds them that nothing lasts forever. She’s as truthful as the nursery rhymes. Remember that all the King’s horses and all the King’s men couldn’t put Humpty-Dumpty together again. There’s such a tremendous truth in that. It goes into children in some part of them that they don’t know, and indeed perhaps we don’t know. But eventually they realize — and that’s the great truth.

the Match-Man had two professions. He not only sold matches like any ordinary match-man, but he drew pavement pictures as well. He did these things turn-about according to the weather. If it was wet, he sold matches because the rain would have washed away his pictures if he had painted them. If it was fine, he was on his knees all day, making pictures in coloured chalks on the side-walks, and doing them so quickly that often you would find he had painted up one side of a street and down the other almost before you’d had time to come round the corner. On this particular day, which was fine but cold, he was painting.

Presently they saw their Mother coming out of the drawing-room with a visitor following her. Jane and Michael could see that the newcomer had shiny black hair — "Rather like a wooden Dutch doll," whispered Jane. And that she was thin, with large feet and hands, and small, rather peering blue-eyes.
"You'll find that they are very nice children," Mrs. Banks was saying.
Michael's elbow gave a sharp dig at Jane's ribs.
"And that they give no trouble at all," continued Mrs. Banks uncertainly, as if she herself didn't really believe what she was saying. They heard the visitor sniff as though she didn't either.
"Now, about reference —" Mrs. Banks went on.
"Oh, I make it a rule never to give references," said the other firmly.