Never Grow So Old, Change So Much, Children's Books, Judith Viorst, What the Dormouse Said: Lessons for Grown-ups from Children's Books

“...we should never grow so old, or change so much, that we cannot find room in our hearts for the wisdom of children's books.” ― Judith Viorst, What the Dormouse Said: Lessons for Grown-ups from Children's Books

Found on Goodreads at https://www.goodreads.com/author/quotes/3080.Judith_Viorst.