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.

You're never too old to grow up.

You're never too old to grow up.

To make mistakes is human; to stumble is commonplace; to be able to laugh at yourself is maturity.

To make mistakes is human; to stumble is commonplace; to be able to laugh at yourself is maturity.

I live in that solitude which is painful in youth, but delicious in the years of maturity.

I live in that solitude which is painful in youth, but delicious in the years of maturity.

By the age of twenty, any young man should know whether or not he is to be a specialist and read more

By the age of twenty, any young man should know whether or not he is to be a specialist and just where his tastes lie. By postponing the question we have set on immaturity a premium which controls most American personality to its deathbed.

Maturity is: The ability to stick with a job until it's finished; The ability to do a job without being read more

Maturity is: The ability to stick with a job until it's finished; The ability to do a job without being supervised; The ability to carry money without spending it; and The ability to bear an injustice without wanting to get even

One stops being a child when one realizes that telling one's trouble does not make it better.

One stops being a child when one realizes that telling one's trouble does not make it better.

The immature man wants to die nobly for a cause, while the mature man wants to live humanely for one.

The immature man wants to die nobly for a cause, while the mature man wants to live humanely for one.

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 the mature man is that he wants to live humbly for one.