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.

Maturity is achieved when a person postpones immediate pleasures for long-term values.

Maturity is achieved when a person postpones immediate pleasures for long-term values.

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

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.

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

When I grow up I want to be a little boy.

When I grow up I want to be a little boy.

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.

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.

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.