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.

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.

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.

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.

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.

Maturity of mind is the capacity to endure uncertainty.

Maturity of mind is the capacity to endure uncertainty.

It is sad to grow old but nice to ripen.

It is sad to grow old but nice to ripen.

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.

Youth condemns; maturity condones.

Youth condemns; maturity condones.