What does MrAntolini's quote mean?

Mr. Antolini's quote, "The mark of the immature man is that he wants to die nobly for a cause, while the mark of the mature man is that he wants to live humbly for one." suggests that true maturity involves prioritizing a meaningful and humble way of life over seeking glory or recognition through dramatic actions. It emphasizes the importance of quiet dedication and service to a cause, rather than seeking grand gestures of sacrifice.