【正文】
ore cherish it.first i want to ask you some questions: do you know what is youth? how do you master your youth?youthyouth is not a time of life, it is a state of mind 。 it is not rosy cheeks , red lips and supple knees, it is a matter of the emotions : it is the freshne。 it is the freshneof the deep springs of life .youth means a temperamental predominance of courage over timidity of the appetite , for adventure over the love of ease. this often exists in a man of 60 more than a boy of 20 . nobody grows old merely by a number of years . we grow old by deserting our ideals.years wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self –distrust bows the heart and turns the spirit back to dust .whether 60 of 16 , there is in every human being 39。s heart the lure of wonders, the unfailing childlike appetite