"Sir Gibby" is a famous novel by the great Scottish writer George MacDonald. The main character, Gibby, is an orphan with a simple but noble heart. He lives in an orphanage and is noted for his great kindness and wisdom. Gibby constantly helps others, despite his own difficulties, and always believes in a better future. This book is not only an exciting story about the adventures and trials of a gray boy, but also a deep moral and philosophical conversation about the true essence of human kindness and sacrifice. "Sir Gibby" is a work that will leave a mark in the hearts of readers and inspire great deeds and good deeds.