Quote the most Important Advice Mr. Antolini gives to Holden. What does he want to want Holden what may happen to him ?

Mr. Antolini gives Holden a quote from the psychoanalyst Wilhelm Stekel: "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." He finally tells Holden that once he gets past the things that annoy him, he will be able to find the kind of information that will be dear to his heart.