What does the Harry Potter [1] series mean to you? To people all over the world, it means security, comfort, love, and confidence — even in their bleakest moments. Just as Albus Dumbledore said, "Happiness can be found even in the darkest of times, if one only remembers to turn on the light." Using the hashtag #PotterItForward [2], fans everywhere are sharing notes — hidden in library books or donated copies of Harry Potter — with words of encouragement, favorite quotes, and inspiring personal stories for the newest generation of readers.

We've gathered up some of the most touching examples of the #PotterItForward movement (started by the fan website MuggleNet [3]), so read 'em and get inspired to write your own secret notes. Who knows? It could change a reader's life.

"You are about to embark on an incredible journey."

"We all have the power to defeat dementors."

"Harry Potter let me escape when I was sad."

"Choose your friends wisely."

"This book probably saved my life."

"The world of Harry Potter saved me."

"Hogwarts will always be there to welcome you home."

"You are never alone."

"I hope these books teach you to never give up."

"Use it well."

"Harry Potter let me be myself."

"Let this book fill your life with love, friendship, and magic."

"When in doubt, go to the library."

"The magic lies within you."

"There is true magic in these books."

"I hope you'll find [these books] as awesome as I do."