Man's maturity: to have regained the seriousness that he had as a child at play.

Man's maturity: to have regained the seriousness that he had as a child at play.

Maturity of mind is the capacity to endure uncertainty.

Maturity of mind is the capacity to endure uncertainty.

My experience is that as soon as people are old enough to know better, they don't know anything at all.

My experience is that as soon as people are old enough to know better, they don't know anything at all.

Only the middle-aged have all their five senses in the keeping of their wits.

Only the middle-aged have all their five senses in the keeping of their wits.

Age is a very high price to pay for maturity.

Age is a very high price to pay for maturity.

Maturity begins to grow when you can sense your concern for others outweighing your concern for yourself.

Maturity begins to grow when you can sense your concern for others outweighing your concern for yourself.

The secret of how to live without resentment or embarrassment in a world in which I was different from everyone read more

The secret of how to live without resentment or embarrassment in a world in which I was different from everyone else . . . was to be indifferent to that difference.

Maturity is often more absurd than youth and very frequently is most unjust to youth.

Maturity is often more absurd than youth and very frequently is most unjust to youth.

The mark of the immature man is that he wants to die nobly for a cause, while the mark of read more

The mark of the immature man is that he wants to die nobly for a cause, while the mark of a mature man is that he wants to live humbly for one