1. “Once there were four children whose names were Peter, Susan, Edmund, and Lucy.” – The Lion, the Witch, and the Wardrobe by C.S. Lewis
2. “Mr. and Mrs. Dursley, of number four, Privet Drive, were proud to say that they were perfectly normal, thank you very much.” – Harry Potter and the Sorcerer’s Stone by J.K. Rowling
3. “All children, except one, grow up.” – Peter Pan by J.M. Barrie
4. “I have a new friend. She already knows everything about me!” – Matilda by Roald Dahl
5. “It is a truth universally acknowledged that a single man in possession of a good fortune must be in want of a wife.” – Pride and Prejudice by Jane Austen
6. “Where’s Papa going with that ax?” – Charlotte’s Web by E.B. White
7. “In an old house in Paris that was covered with vines lived twelve little girls in two straight lines.” – Madeline by Ludwig Bemelmans
8. “There is a child born of a witch, and this child will take the last eye and use the last wish.” – Coraline by Neil Gaiman
9. “Once upon a time in a gloomy castle on a lonely hill, where there were thirteen clocks that wouldn’t go, there lived a cold, aggressive Duke, and his niece, the Princess Saralinda.” – The 13 Clocks by James Thurber
10. “Where’s Papa going with that ax?” – Little House in the Big Woods by Laura Ingalls Wilder
11. “When Mary Lennox was sent to Misselthwaite Manor to live with her uncle, everybody said she was the most disagreeable-looking child ever seen.” – The Secret Garden by Frances Hodgson Burnett
12. “There was once a velveteen rabbit, and in the beginning, he was really splendid.” – The Velveteen Rabbit by Margery Williams
13. “It was nearing midnight and the Prime Minister was sitting alone in his office.” – Harry Potter and the Half-Blood Prince by J.K. Rowling
14. “In an old house in Paris, covered in vines, lived twelve little girls in two straight lines.” – Madeline by Ludwig Bemelmans
15. “Nobody wants to see a headless bear driving a flaming car through their tiny town, but that’s exactly what they saw.” – Where the Watermelons Grow by Cindy Baldwin
16. “Mr and Mrs Dursley, of number four, Privet Drive, were proud to say that they were perfectly normal, thank you very much.” – Harry Potter and the Philosopher’s Stone by J.K. Rowling
17. “It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness…” – A Tale of Two Cities by Charles Dickens
18. “There is one mirror in my house.” – The Girl Who Drank the Moon by Kelly Barnhill
19. “The sun did not shine, it was too wet to play, so we sat in the house all that cold, cold wet day.” – The Cat in the Hat by Dr. Seuss
20. “All children, except one, grow up.” – Peter Pan by J.M. Barrie
21. “Once there lived a witch called Elsie, who was banished from the kingdom of Müller for causing trouble and upsetting the king.” – The Girl Who Drank the Moon by Kelly Barnhill

I hope you find these opening lines interesting and inspiring for your article!