This wine is forty years old. It certainly doesn't show its age.
- Cicero

Women deserve to have more than twelve years between the ages of twenty eight and forty.
- James Thurber

You know you're turning forty when light from your birthday cake candles significantly contributes to global warming.
- Linda Klemanski

Life begins at forty.
- W. B. Pitkin

Thanks to modern medical advances such as antibiotics, nasal spray, and Diet Coke, it has become routine for people in the civilized world to pass the age of 40, sometimes more than once.
- Dave Barry

The first forty years of life give us the text: the next thirty supply the commentary.
- Arthur Schopenhauer

Forty is the old age of youth; fifty is the youth of old age.
- Victor Hugo

Life begins at 40 - but so do fallen arches, rheumatism, faulty eyesight, and the tendency to tell a story to the same person, three or four times.
- Helen Rowland

We don't understand life any better at forty than at twenty, but we know it and admit it.
- Jules Renard

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

Be wise with speed; a fool at forty is a fool indeed.
- Edward Young

Every man over forty is a scoundrel.
- George Bernard Shaw