old age of youth fifty the youth
Old age comes on suddenly, and not gradually as is thought.
old age, suddenly, gradually, thought
Aging is not lost youth but a new stage of opportunity and strength.
aging, new stage of opportunity, age
Alas, after a certain age every man is responsible for his face.
certain age, responsible, for his face, age
Old minds are like old horses you must exercise them if you wish to keep them in working order.
old minds, exercise, working order, age