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.

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.

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.

It takes a long time to bring excellence to maturity.

It takes a long time to bring excellence to maturity.

It is sad to grow old but nice to ripen.

It is sad to grow old but nice to ripen.

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.

Age is a very high price to pay for maturity.

Age is a very high price to pay for maturity.

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.

Maturity of mind is the capacity to endure uncertainty.

Maturity of mind is the capacity to endure uncertainty.