Your search for "Forty is the old age of youth, fifty is the youth of old age." revealed the following:

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852 - RW-15.6

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852 - RS2T - RW-15.6

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852 - PWB-15.6

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852 - Drink Wisely in MugWisdom - Ceramic 11oz cup -Team - MW-15.6

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852 - B4Uspeak Make a Statement Fabric Face Mask blk

Forty is the old age of youth, fifty is the youth of old age. - Hosea Ballou 1771 - 1852 - B4Uspeak Make a Statement Fabric Face Mask wht

DosQuotes MugWisdoms... It is easier to build strong children than to repair broken men. -vs- Forty is the old age of youth, fifty is the youth of old age. - @S2T Which Wisdom Wins: Social or Sarcastic? - Ceramic 11oz cup

Team 43 of 52 Antique Magnetic Wisdoms Stick Around

Team 43 of 52 teams that Make Humanity Great! ...Drink Wisely in Mug Wisdoms Ceramic 11oz cup

To me, old age is always ten years older than I am. - John Burroughs 1837 - 1921 - RW-16.8

RW-Team 15- Red Stop2Think SarcasticWisdoms.com

To me, old age is always ten years older than I am. - John Burroughs 1837 - 1921 – 1865 - RS2T - RW-16.8

S2T- To me, old age is always ten years older than I am. - John Burroughs 1837 - 1921

MW-Team 15- Sarcastic Wisdoms - Drink Wisely in MugWisdom - Ceramic 11oz cup

I'd like to grow very old as slowly as possible. - Charles Lamb 1775 - 1834 - RW-16.7

Week/Team 43 of 52 How Fast Can You Read Magnetic Wisdoms Stick Around @Stop2Think.com

I'd like to grow very old as slowly as possible. - Charles Lamb 1775 - 1834

YT-4.5- Man arrives as a novice at each age of his life. - Nicolas Chamfort 1741 - 1794

RW-8.7 - In youth we learn; in age we understand. - Marie von Ebner-Eschenbach 1830 - 1916