Quote
"Towering in confidence of twenty-one."
"Youth cannot know how age thinks and feels. But old men are guilty if they forget what it was to be young... and I seem to have forgotten lately."

Youth is the time of life when one is young. The word, youth, can also mean the time between childhood and adulthood (maturity), but it can also refer to one's peak, in terms of health or the period of life known as being a young adult. Youth is also defined as "the appearance, freshness, vigor, spirit, etc., characteristic of one, who is young". Its definitions of a specific age range varies, as
"Towering in confidence of twenty-one."
"Youth dreams a bliss on this side death. It dreams a rest, if not more deep, More grateful than this marble sleep; It hears a voice within it tell: Calms not lifes crown, though calm is well. Tis all perhaps which man acquires, But tis not what our youth desires."
"Young fellows will be young fellows."
"Olympian bards who sung Divine ideas below, Which always find us young, And always keep us so."
"Youth holds no society with grief."
"Is in the very May-morn of his youth, Ripe for exploits and mighty enterprises."