Aging is not lost youth but a new stage of opportunity and strength.

Old age comes on suddenly, and not gradually as is thought.

None are so old as those who have outlived enthusiasm.

I don't believe one grows older. I think that what happens early on in life is that at a certain age one stands still and stagnates.

Bashfulness is an ornament to youth, but a reproach to old age.

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

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

Age appears to be best in four things old wood best to burn, old wine to drink, old friends to trust, and old authors to read.

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

A man growing old becomes a child again.