If youth knew; if age could. -Henri Estienne.

If youth knew; if age could. -Henri Estienne.

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

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

God gives nuts to those with no teeth. -Arabic proverb.

God gives nuts to those with no teeth. -Arabic proverb.

The trick is growing up without growing old.

The trick is growing up without growing old.

In youth we run into difficulties; in old age difficulties run into us. -Josh Billings.

In youth we run into difficulties; in old age difficulties run into us. -Josh Billings.

Middle age is when your old classmates are so grey and wrinkled and bald they don't recognize you.

Middle age is when your old classmates are so grey and wrinkled and bald they don't recognize you.

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

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

I believe the true function of age is memory. I'm recording as fast as I can.

I believe the true function of age is memory. I'm recording as fast as I can.

That man never grows old who keeps a child in his heart

That man never grows old who keeps a child in his heart