"Greenlights" is a memoir by actor and filmmaker Matthew McConaughey, published in 2020. The book combines personal anecdotes, life lessons, and philosophical insights, reflecting on his journey from a small-town boy to a Hollywood star. McConaughey shares stories from his childhood, career, and family, emphasizing the importance of resilience and self-discovery. The title "Greenlights" symbolizes the moments in life that allow for progress and success. McConaughey uses the concept to illustrate how he navigated challenges and embraced opportunities. The memoir is structured like a journal, filled with reflections and advice, making it both engaging and relatable for readers.