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.

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

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

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.

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.

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 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.

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 of mind is the capacity to endure uncertainty.

Maturity of mind is the capacity to endure uncertainty.