Age is a very high price to pay for maturity.

Tom Stoppard

Youth is the gift of nature, but age is a work of art.

Stanislaw Lec

gift of nature, work of art.

Forty is the old age of youth, fifty is the youth of old age.

Hosea Ballou

forty is old age, fifty is youth of old age

What most persons consider as virtue, after the age of 40 is simply a loss of energy.

Voltaire

persons, virtue, age, energy

Growing old is no more than a bad habit which a busy person has no time to form.

Andre Maurois

Growing old, habit

Youth is when you're allowed to stay up late on New Year's Eve. Middle age is when you're forced to.

Bill Vaughan

youth, allowed, late, age

An archaeologist is the best husband a woman can have. The older she gets the more interested he is in her.

Agatha Christie

best husband, women, age

A man growing old becomes a child again.

Sophocles

man, growing, child, age

Forty is the old age of youth fifty the youth of old age.

Victor Hugo

Forty, Fifty, Old Age