George Carlin's philosophy for old age emphasizes enjoying life and staying active as you age. The summary is: The document discusses how children are excited about aging and getting older, while adults often dread certain age milestones like turning 30 or 40. It then provides 10 tips for staying young at any age, such as laughing often, learning new things, and surrounding yourself with loved ones. The overall message is to cherish your health, make the most of every day, and share your love with others.